diff --git a/src/calibre/translations/calibre.pot b/src/calibre/translations/calibre.pot
index 7117cca7f4..796831970c 100644
--- a/src/calibre/translations/calibre.pot
+++ b/src/calibre/translations/calibre.pot
@@ -4,9 +4,9 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: calibre 0.8.51\n"
-"POT-Creation-Date: 2012-05-11 09:12+IST\n"
-"PO-Revision-Date: 2012-05-11 09:12+IST\n"
+"Project-Id-Version: calibre 0.8.52\n"
+"POT-Creation-Date: 2012-05-18 10:30+IST\n"
+"PO-Revision-Date: 2012-05-18 10:30+IST\n"
 "Last-Translator: Automatically generated\n"
 "Language-Team: LANGUAGE\n"
 "MIME-Version: 1.0\n"
@@ -24,8 +24,8 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/db/cache.py:106
 #: /home/kovid/work/calibre/src/calibre/db/cache.py:109
 #: /home/kovid/work/calibre/src/calibre/db/cache.py:120
-#: /home/kovid/work/calibre/src/calibre/devices/android/driver.py:322
 #: /home/kovid/work/calibre/src/calibre/devices/android/driver.py:323
+#: /home/kovid/work/calibre/src/calibre/devices/android/driver.py:324
 #: /home/kovid/work/calibre/src/calibre/devices/hanvon/driver.py:100
 #: /home/kovid/work/calibre/src/calibre/devices/hanvon/driver.py:101
 #: /home/kovid/work/calibre/src/calibre/devices/jetbook/driver.py:74
@@ -866,7 +866,7 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/db/cache.py:134
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/book/base.py:666
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:67
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:682
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:683
 #: /home/kovid/work/calibre/src/calibre/library/database2.py:1015
 #: /home/kovid/work/calibre/src/calibre/utils/formatter_functions.py:844
 #: /home/kovid/work/calibre/src/calibre/utils/formatter_functions.py:867
@@ -902,11 +902,11 @@ msgstr ""
 msgid "Comma separated list of directories to send e-books to on the device. The first one that exists will be used"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/devices/android/driver.py:262
+#: /home/kovid/work/calibre/src/calibre/devices/android/driver.py:263
 msgid "Communicate with S60 phones."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/devices/android/driver.py:281
+#: /home/kovid/work/calibre/src/calibre/devices/android/driver.py:282
 msgid "Communicate with WebOS tablets."
 msgstr ""
 
@@ -1658,23 +1658,23 @@ msgstr ""
 msgid "Communicate with the Pico reader."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:69
+#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:70
 msgid "Communicate with the iPapyrus reader."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:80
+#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:81
 msgid "Communicate with the Sovos reader."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:90
+#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:91
 msgid "Communicate with the Sunstech EB700 reader."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:101
+#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:102
 msgid "Communicate with the Stash W950 reader."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:113
+#: /home/kovid/work/calibre/src/calibre/devices/teclast/driver.py:114
 msgid "Communicate with the Wexler reader."
 msgstr ""
 
@@ -1861,7 +1861,7 @@ msgid ""
 "%s"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:19
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:20
 msgid ""
 "input_file output_file [options]\n"
 "\n"
@@ -1876,59 +1876,59 @@ msgid ""
 "For full documentation of the conversion system see\n"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:109
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:110
 msgid "INPUT OPTIONS"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:110
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:111
 #, python-format
 msgid "Options to control the processing of the input %s file"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:116
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:117
 msgid "OUTPUT OPTIONS"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:117
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:118
 #, python-format
 msgid "Options to control the processing of the output %s"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:131
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:132
 msgid "Options to control the look and feel of the output"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:149
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:150
 #, python-format
 msgid "Modify the document text and structure using common patterns. Disabled by default. Use %(en)s to enable.  Individual actions can be disabled with the %(dis)s options."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:157
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:158
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/search_and_replace.py:20
 msgid "Modify the document text and structure using user defined patterns."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:167
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:168
 msgid "Control auto-detection of document structure."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:177
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:178
 msgid "Control the automatic generation of a Table of Contents. By default, if the source file has a Table of Contents, it will be used in preference to the automatically generated one."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:187
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:188
 msgid "Options to set metadata in the output"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:190
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:191
 msgid "Options to help with debugging the conversion"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:219
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:220
 msgid "List builtin recipe names. You can create an ebook from a builtin recipe like this: ebook-convert \"Recipe Name.recipe\" output.epub"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:325
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/cli.py:335
 msgid "Output saved to"
 msgstr ""
 
@@ -2512,244 +2512,244 @@ msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:345
 #, python-format
-msgid "Set the top margin in pts. Default is %default. Note: 72 pts equals 1 inch"
+msgid "Set the top margin in pts. Default is %default. Setting this to less than zero will cause no margin to be set. Note: 72 pts equals 1 inch"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:350
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:351
 #, python-format
-msgid "Set the bottom margin in pts. Default is %default. Note: 72 pts equals 1 inch"
+msgid "Set the bottom margin in pts. Default is %default. Setting this to less than zero will cause no margin to be set. Note: 72 pts equals 1 inch"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:355
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:357
 #, python-format
-msgid "Set the left margin in pts. Default is %default. Note: 72 pts equals 1 inch"
+msgid "Set the left margin in pts. Default is %default. Setting this to less than zero will cause no margin to be set. Note: 72 pts equals 1 inch"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:360
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:363
 #, python-format
-msgid "Set the right margin in pts. Default is %default. Note: 72 pts equals 1 inch"
+msgid "Set the right margin in pts. Default is %default. Setting this to less than zero will cause no margin to be set. Note: 72 pts equals 1 inch"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:366
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:370
 msgid "Change text justification. A value of \"left\" converts all justified text in the source to left aligned (i.e. unjustified) text. A value of \"justify\" converts all unjustified text to justified. A value of \"original\" (the default) does not change justification in the source file. Note that only some output formats support justification."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:376
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:380
 msgid "Remove spacing between paragraphs. Also sets an indent on paragraphs of 1.5em. Spacing removal will not work if the source file does not use paragraphs (<p> or <div> tags)."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:383
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:387
 msgid "When calibre removes blank lines between paragraphs, it automatically sets a paragraph indent, to ensure that paragraphs can be easily distinguished. This option controls the width of that indent (in em). If you set this value negative, then the indent specified in the input document is used, that is, calibre does not change the indentation."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:392
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:396
 msgid "Use the cover detected from the source file in preference to the specified cover."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:398
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:402
 msgid "Insert a blank line between paragraphs. Will not work if the source file does not use paragraphs (<p> or <div> tags)."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:405
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:409
 msgid "Set the height of the inserted blank lines (in em). The height of the lines between paragraphs will be twice the value set here."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:412
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:416
 msgid "Remove the first image from the input ebook. Useful if the input document has a cover image that is not identified as a cover. In this case, if you set a cover in calibre, the output document will end up with two cover images if you do not specify this option."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:421
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:425
 msgid "Insert the book metadata at the start of the book. This is useful if your ebook reader does not support displaying/searching metadata directly."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:429
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:433
 msgid "Convert plain quotes, dashes and ellipsis to their typographically correct equivalents. For details, see http://daringfireball.net/projects/smartypants"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:437
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:441
 msgid "Convert fancy quotes, dashes and ellipsis to their plain equivalents."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:445
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:449
 msgid "Read metadata from the specified OPF file. Metadata read from this file will override any metadata in the source file."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:452
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:456
 #, python-format
 msgid "Transliterate unicode characters to an ASCII representation. Use with care because this will replace unicode characters with ASCII. For instance it will replace \"%s\" with \"Mikhail Gorbachiov\". Also, note that in cases where there are multiple representations of a character (characters shared by Chinese and Japanese for instance) the representation based on the current calibre interface language will be used."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:467
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:471
 msgid "Preserve ligatures present in the input document. A ligature is a special rendering of a pair of characters like ff, fi, fl et cetera. Most readers do not have support for ligatures in their default fonts, so they are unlikely to render correctly. By default, calibre will turn a ligature into the corresponding pair of normal characters. This option will preserve them instead."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:479
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:483
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:38
 msgid "Set the title."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:483
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:487
 msgid "Set the authors. Multiple authors should be separated by ampersands."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:488
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:492
 msgid "The version of the title to be used for sorting. "
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:492
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:496
 msgid "String to be used when sorting by author. "
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:496
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:500
 msgid "Set the cover to the specified file or URL"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:500
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:504
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:54
 msgid "Set the ebook description."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:504
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:508
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:56
 msgid "Set the ebook publisher."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:508
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:512
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:60
 msgid "Set the series this ebook belongs to."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:512
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:516
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:62
 msgid "Set the index of the book in this series."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:516
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:520
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:64
 msgid "Set the rating. Should be a number between 1 and 5."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:520
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:524
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:66
 msgid "Set the ISBN of the book."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:524
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:528
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:68
 msgid "Set the tags for the book. Should be a comma separated list."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:528
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:532
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:70
 msgid "Set the book producer."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:532
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:536
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/cli.py:72
 msgid "Set the language."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:536
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:540
 msgid "Set the publication date."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:540
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:544
 msgid "Set the book timestamp (no longer used anywhere)"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:544
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:548
 msgid "Enable heuristic processing. This option must be set for any heuristic processing to take place."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:549
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:553
 msgid "Detect unformatted chapter headings and sub headings. Change them to h2 and h3 tags.  This setting will not create a TOC, but can be used in conjunction with structure detection to create one."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:556
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:560
 msgid "Look for common words and patterns that denote italics and italicize them."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:561
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:565
 msgid "Turn indentation created from multiple non-breaking space entities into CSS indents."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:566
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:570
 msgid "Scale used to determine the length at which a line should be unwrapped. Valid values are a decimal between 0 and 1. The default is 0.4, just below the median line length.  If only a few lines in the document require unwrapping this value should be reduced"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:574
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:578
 msgid "Unwrap lines using punctuation and other formatting clues."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:578
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:582
 msgid "Remove empty paragraphs from the document when they exist between every other paragraph"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:583
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:587
 msgid "Left aligned scene break markers are center aligned. Replace soft scene breaks that use multiple blank lines with horizontal rules."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:589
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:593
 msgid "Replace scene breaks with the specified text. By default, the text from the input document is used."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:594
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:598
 msgid "Analyze hyphenated words throughout the document.  The document itself is used as a dictionary to determine whether hyphens should be retained or removed."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:600
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:604
 msgid "Looks for occurrences of sequential <h1> or <h2> tags. The tags are renumbered to prevent splitting in the middle of chapter headings."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:606
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:610
 msgid "Search pattern (regular expression) to be replaced with sr1-replace."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:611
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:615
 msgid "Replacement to replace the text found with sr1-search."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:615
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:619
 msgid "Search pattern (regular expression) to be replaced with sr2-replace."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:620
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:624
 msgid "Replacement to replace the text found with sr2-search."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:624
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:628
 msgid "Search pattern (regular expression) to be replaced with sr3-replace."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:629
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:633
 msgid "Replacement to replace the text found with sr3-search."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:633
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:637
 msgid "Path to a file containing search and replace regular expressions. The file must contain alternating lines of regular expression followed by replacement pattern (which can be an empty line). The regular expression must be in the python regex syntax and the file must be UTF-8 encoded."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:742
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:746
 msgid "Could not find an ebook inside the archive"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:800
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:804
 msgid "Values of series index and rating must be numbers. Ignoring"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:807
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:811
 msgid "Failed to parse date/time"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:966
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:973
 msgid "Converting input to HTML..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:993
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:1000
 msgid "Running transforms on ebook..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:1106
+#: /home/kovid/work/calibre/src/calibre/ebooks/conversion/plumber.py:1113
 msgid "Creating"
 msgstr ""
 
@@ -3032,7 +3032,7 @@ msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/ebooks/metadata/book/base.py:666
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:67
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:682
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:683
 msgid "No"
 msgstr ""
 
@@ -3972,11 +3972,11 @@ msgid "Add to library"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/add.py:378
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:134
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:136
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/store.py:87
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/store.py:106
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/store.py:115
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:294
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:301
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/view.py:137
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/view.py:183
 msgid "No book selected"
@@ -4381,8 +4381,8 @@ msgstr ""
 msgid "You cannot use other libraries while using the environment variable CALIBRE_OVERRIDE_DATABASE_PATH."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:30
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:154
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:31
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:161
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/confirm_delete_ui.py:53
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/device_category_editor.py:112
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/plugin_updater.py:674
@@ -4398,117 +4398,117 @@ msgstr ""
 msgid "Are you sure?"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:31
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:32
 #, python-format
 msgid "You are trying to delete %d books. Sending so many files to the Recycle Bin <b>can be slow</b>. Should calibre skip the Recycle Bin? If you click Yes the files will be <b>permanently deleted</b>."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:42
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:43
 msgid "Deleting..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:65
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:66
 msgid "Deleted"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:77
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:78
 msgid "Failed to delete"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:78
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:79
 msgid "Failed to delete some books, click the Show Details button for details."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:85
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:86
 msgid "Remove books"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:88
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:89
 msgid "Remove selected books"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:95
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:96
 msgid "Remove files of a specific format from selected books.."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:98
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:99
 msgid "Remove all formats from selected books, except..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:101
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:102
 msgid "Remove all formats from selected books"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:104
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:105
 msgid "Remove covers from selected books"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:108
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:109
 msgid "Remove matching books from device"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:131
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:133
 msgid "Cannot delete"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:144
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:146
 msgid "Choose formats to be deleted"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:162
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:164
 msgid "Choose formats <b>not</b> to be deleted.<p>Note that this will never remove all formats from a book."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:188
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:190
 msgid "<b>All formats</b> for the selected books will be <b>deleted</b> from your library.<br>The book metadata will be kept. Are you sure?"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:208
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:210
 msgid "Cannot delete books"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:209
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:211
 msgid "No device is connected"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:219
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:221
 msgid "Main memory"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:220
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:222
 #: /home/kovid/work/calibre/src/calibre/gui2/device.py:527
 #: /home/kovid/work/calibre/src/calibre/gui2/device.py:536
 msgid "Storage Card A"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:221
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:223
 #: /home/kovid/work/calibre/src/calibre/gui2/device.py:529
 #: /home/kovid/work/calibre/src/calibre/gui2/device.py:538
 msgid "Storage Card B"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:226
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:228
 msgid "No books to delete"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:227
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:229
 msgid "None of the selected books are on the device"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:244
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:335
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:246
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:337
 msgid "Deleting books from device."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:290
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:292
 msgid "Some of the selected books are on the attached device. <b>Where</b> do you want the selected files deleted from?"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:302
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:304
 msgid "The selected books will be <b>permanently deleted</b> and the files removed from your calibre library. Are you sure?"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:327
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/delete.py:329
 msgid "The selected books will be <b>permanently deleted</b> from your device. Are you sure?"
 msgstr ""
 
@@ -4741,7 +4741,7 @@ msgid "F1"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/help.py:16
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:66
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:118
 #: /usr/src/qt-everywhere-opensource-src-4.8.0/src/gui/widgets/qdialogbuttonbox.cpp:679
 msgid "Help"
 msgstr ""
@@ -4987,7 +4987,7 @@ msgid "Search for this %s"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/store.py:35
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:55
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:145
 #: /home/kovid/work/calibre/src/calibre/gui2/store/search_ui.py:110
 msgid "Stores"
 msgstr ""
@@ -5025,15 +5025,15 @@ msgid "About Get Books"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:31
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:281
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:288
 msgid "Tweak Book"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:59
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:64
 msgid "Choose the format to tweak:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:69
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:74
 msgid ""
 "            <h2>About Tweak Book</h2>\n"
 "            <p>Tweak Book allows you to fine tune the appearance of an ebook by\n"
@@ -5053,15 +5053,15 @@ msgid ""
 "            </ol>"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:98
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:103
 msgid "&Explode Book"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:99
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:104
 msgid "&Preview Book"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:100
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:105
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/comments_dialog.py:25
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/template_dialog.py:242
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/main.py:233
@@ -5069,76 +5069,76 @@ msgstr ""
 msgid "&Cancel"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:101
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:106
 msgid "&Rebuild Book"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:104
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:109
 msgid "Explode the book to edit its components"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:106
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:111
 msgid "Preview the result of your tweaks"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:108
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:113
 msgid "Abort without saving any changes"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:110
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:115
 msgid "Save your changes and update the book in the calibre library"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:150
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:155
 msgid "Exploding, please wait..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:170
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:180
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:177
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:187
 msgid "Failed to unpack"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:171
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:178
 #, python-format
 msgid "Could not explode the %s file."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:181
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:188
 #, python-format
 msgid "Could not explode the %s file. Click \"Show Details\" for more information."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:215
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:222
 msgid "Failed to rebuild file"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:216
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:223
 #, python-format
 msgid "Failed to rebuild %s. For more information, click \"Show details\"."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:224
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:233
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:231
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:240
 msgid "Rebuilding, please wait..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:282
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:289
 msgid "Make small changes to ePub, HTMLZ or AZW3 format books"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:283
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:290
 msgid "T"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:293
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:300
 msgid "Cannot tweak Book"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:303
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:310
 msgid "Cannot Tweak Book"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:304
+#: /home/kovid/work/calibre/src/calibre/gui2/actions/tweak_epub.py:311
 msgid ""
 "The book must be in ePub, HTMLZ or AZW3 formats to tweak.\n"
 "\n"
@@ -5360,7 +5360,7 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/add_wizard/welcome_ui.py:71
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/debug_ui.py:57
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/debug_ui.py:58
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:57
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:194
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/metadata_ui.py:162
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/xexp_edit_ui.py:57
 #: /home/kovid/work/calibre/src/calibre/gui2/device_drivers/configwidget_ui.py:79
@@ -5408,8 +5408,8 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/shortcuts_ui.py:80
 #: /home/kovid/work/calibre/src/calibre/gui2/shortcuts_ui.py:85
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/chooser_widget_ui.py:79
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:35
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:110
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:143
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:149
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/store_dialog_ui.py:75
 #: /home/kovid/work/calibre/src/calibre/gui2/viewer/main_ui.py:191
 msgid "..."
@@ -5540,17 +5540,17 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/azw3_output_ui.py:52
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/comic_input_ui.py:103
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/debug_ui.py:54
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/djvu_input_ui.py:21
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/djvu_input_ui.py:31
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/epub_output_ui.py:56
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/fb2_input_ui.py:33
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/fb2_output_ui.py:44
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/heuristics_ui.py:112
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/htmlz_output_ui.py:44
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:21
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:188
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/lrf_output_ui.py:120
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/metadata_ui.py:158
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/mobi_output_ui.py:74
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:120
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:124
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/pdb_input_ui.py:36
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/pdb_output_ui.py:47
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/pdf_input_ui.py:43
@@ -5582,11 +5582,11 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/save_template_ui.py:56
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/saving_ui.py:21
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/search_ui.py:109
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:21
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:68
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/server_ui.py:138
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/template_functions_ui.py:95
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/toolbar_ui.py:21
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:21
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:114
 #: /home/kovid/work/calibre/src/calibre/gui2/store/basic_config_widget_ui.py:37
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/chooser_widget_ui.py:77
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/search/search_widget_ui.py:21
@@ -5943,27 +5943,27 @@ msgstr ""
 msgid "Clear"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:172
+#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:178
 msgid "Choose foreground color"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:178
+#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:184
 msgid "Choose background color"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:183
+#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:189
 msgid "Create link"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:184
+#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:190
 msgid "Enter URL"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:538
+#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:546
 msgid "Normal view"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:539
+#: /home/kovid/work/calibre/src/calibre/gui2/comments_editor.py:547
 msgid "HTML Source"
 msgstr ""
 
@@ -6134,7 +6134,7 @@ msgstr ""
 msgid "DJVU Input"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/djvu_input_ui.py:25
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/djvu_input_ui.py:32
 msgid "Use &djvutxt, if available, for faster processing"
 msgstr ""
 
@@ -6211,22 +6211,22 @@ msgid "&Base font size:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/font_key_ui.py:110
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:42
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:192
 msgid "Font size &key:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/font_key_ui.py:111
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/font_key_ui.py:115
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/font_key_ui.py:117
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:33
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:80
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:191
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:198
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/lrf_output_ui.py:123
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/lrf_output_ui.py:125
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/lrf_output_ui.py:130
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:126
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:128
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:130
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:132
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:131
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:134
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:137
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:140
 msgid " pt"
 msgstr ""
 
@@ -6344,142 +6344,142 @@ msgstr ""
 msgid "Justify text"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:25
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:189
 msgid "&Disable font size rescaling"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:29
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:190
 msgid "Base &font size:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:56
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:193
 msgid "Wizard to help you choose an appropriate font size key"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:66
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:195
 msgid "Minimum &line height:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:70
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:196
 msgid " %"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:76
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:197
 msgid "Line &height:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:85
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:199
 msgid "Input character &encoding:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:93
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:200
 msgid "Remove &spacing between paragraphs"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:97
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:201
 msgid "&Indent size:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:102
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:202
 msgid "<p>When calibre removes inter paragraph spacing, it automatically sets a paragraph indent, to ensure that paragraphs can be easily distinguished. This option controls the width of that indent."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:103
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:203
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/metadata_bulk_ui.py:556
 msgid "No change"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:104
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:120
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:204
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:207
 msgid " em"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:111
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:205
 msgid "Insert &blank line between paragraphs"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:115
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:206
 msgid "&Line size:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:125
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:208
 msgid "Text &justification:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:132
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:209
 msgid "Smarten &punctuation"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:136
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:210
 msgid "&Transliterate unicode characters to ASCII"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:140
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:211
 msgid "&UnSmarten punctuation"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:144
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:212
 msgid "Keep &ligatures"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:148
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:213
 msgid "&Linearize tables"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:166
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:214
+msgid "&Extra CSS"
+msgstr ""
+
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:215
 msgid "Select what style information you want completely removed:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:171
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:216
 msgid "Removes the font-family CSS property"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:172
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:217
 msgid "&Fonts"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:176
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:218
 msgid "Removes the margin CSS properties. Note that page margins are not affected by this setting."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:177
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:219
 msgid "&Margins"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:181
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:220
 msgid "Removes the padding CSS properties"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:182
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:221
 msgid "&Padding"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:186
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:222
 msgid "Convert floating images/text into static images/text"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:187
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:223
 msgid "F&loats"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:191
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:224
 msgid "Removes foreground and background colors"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:192
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:225
 msgid "&Colors"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:198
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:226
 msgid "&Other CSS Properties:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:202
-msgid "Comma separated list of CSS properties to remove. For example: display, color, font-family"
-msgstr ""
-
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:227
-msgid "&Extra CSS"
+msgid "Comma separated list of CSS properties to remove. For example: display, color, font-family"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/look_and_feel_ui.py:228
@@ -6686,35 +6686,42 @@ msgstr ""
 msgid "Page Setup"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:121
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:125
 msgid "&Output profile:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:122
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:126
 msgid "Profile description"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:123
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:127
 msgid "&Input profile:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:124
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:128
 msgid "Margins"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:125
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:129
 msgid "&Left:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:127
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:130
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:133
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:136
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:139
+msgid "No margin"
+msgstr ""
+
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:132
 msgid "&Top:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:129
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:135
 msgid "&Right:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:131
+#: /home/kovid/work/calibre/src/calibre/gui2/convert/page_setup_ui.py:138
 msgid "&Bottom:"
 msgstr ""
 
@@ -6732,7 +6739,7 @@ msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/pdb_output_ui.py:48
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:225
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:156
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:225
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:186
 msgid "&Format:"
 msgstr ""
@@ -6841,7 +6848,7 @@ msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/regex_builder_ui.py:94
 #: /home/kovid/work/calibre/src/calibre/gui2/store/mobileread_store_dialog_ui.py:64
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:129
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:153
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/store_dialog_ui.py:78
 msgid "0"
 msgstr ""
@@ -6854,7 +6861,7 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/book_info_ui.py:72
 #: /home/kovid/work/calibre/src/calibre/gui2/keyboard.py:611
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/plugins_ui.py:111
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:114
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:125
 msgid "&Previous"
 msgstr ""
 
@@ -6862,7 +6869,7 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/book_info_ui.py:73
 #: /home/kovid/work/calibre/src/calibre/gui2/keyboard.py:610
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/plugins_ui.py:110
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:107
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:124
 msgid "&Next"
 msgstr ""
 
@@ -7009,7 +7016,7 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/convert/single_ui.py:117
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/book_info_ui.py:69
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/comicconf_ui.py:96
-#: /home/kovid/work/calibre/src/calibre/gui2/dialogs/message_box_ui.py:21
+#: /home/kovid/work/calibre/src/calibre/gui2/dialogs/message_box_ui.py:56
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/progress_ui.py:53
 #: /home/kovid/work/calibre/src/calibre/gui2/store/mobileread_store_dialog_ui.py:61
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/cache_progress_dialog_ui.py:50
@@ -7327,10 +7334,10 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:116
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:153
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:187
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:686
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:727
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:750
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:801
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:687
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:728
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:751
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:802
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/metadata_bulk.py:341
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/metadata_bulk.py:349
 #: /home/kovid/work/calibre/src/calibre/gui2/library/delegates.py:83
@@ -7343,23 +7350,23 @@ msgid "Undefined"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:130
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:758
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:759
 msgid "star(s)"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:131
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:759
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:760
 msgid "Unrated"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:174
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:788
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:789
 #, python-format
 msgid "Set '%s' to today"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:176
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:790
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:791
 #, python-format
 msgid "Clear '%s'"
 msgstr ""
@@ -7368,51 +7375,51 @@ msgstr ""
 msgid "Open Item Editor"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:353
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:354
 msgid "Values changed"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:354
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:355
 msgid "You have changed the values. In order to use this editor, you must either discard or apply these changes. Apply changes?"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:379
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:380
 msgid " index:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:450
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:451
 msgid "The enumeration \"{0}\" contains an invalid value that will be set to the default"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:641
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:642
 msgid "Apply changes"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:834
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:835
 msgid "Remove series"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:837
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:838
 msgid "Automatically number books"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:840
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:841
 msgid "Force numbers to start with "
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:912
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:913
 msgid "The enumeration \"{0}\" contains invalid values that will not appear in the list"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:956
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:957
 msgid "Remove all tags"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:976
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:977
 msgid "tags to add"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:983
+#: /home/kovid/work/calibre/src/calibre/gui2/custom_column_widgets.py:984
 msgid "tags to remove"
 msgstr ""
 
@@ -8022,7 +8029,7 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/comicconf_ui.py:97
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:195
 #: /home/kovid/work/calibre/src/calibre/gui2/metadata/basic_widgets.py:75
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:117
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:219
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:181
 msgid "&Title:"
 msgstr ""
@@ -8870,7 +8877,7 @@ msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/plugin_updater.py:184
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/chooser_widget_ui.py:82
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:73
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:146
 #: /home/kovid/work/calibre/src/calibre/gui2/store/search_ui.py:111
 msgid "All"
 msgstr ""
@@ -9198,7 +9205,7 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/search_box.py:95
 #: /home/kovid/work/calibre/src/calibre/gui2/search_box.py:288
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/chooser_widget_ui.py:80
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:47
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:144
 #: /home/kovid/work/calibre/src/calibre/gui2/store/search_ui.py:109
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/store_dialog_ui.py:76
 #: /home/kovid/work/calibre/src/calibre/gui2/widgets.py:681
@@ -9543,103 +9550,103 @@ msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:182
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:206
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:21
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:206
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:168
 msgid "Advanced Search"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:183
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:207
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:28
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:207
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:169
 msgid "&What kind of match to use:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:184
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:208
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:34
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:208
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:170
 msgid "Contains: the word or phrase matches anywhere in the metadata field"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:185
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:209
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:36
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:209
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:171
 msgid "Equals: the word or phrase must match the entire metadata field"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:186
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:210
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:38
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:210
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:172
 msgid "Regular expression: the expression must match anywhere in the metadata field"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:187
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:211
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:47
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:211
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:173
 msgid "Find entries that have..."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:188
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:212
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:54
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:212
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:174
 msgid "&All these words:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:189
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:213
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:64
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:213
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:175
 msgid "This exact &phrase:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:190
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:214
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:74
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:214
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:176
 msgid "&One or more of these words:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:191
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:215
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:83
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:215
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:177
 msgid "But dont show entries that have..."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:192
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:216
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:90
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:216
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:178
 msgid "Any of these &unwanted words:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:193
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:217
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:99
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:217
 msgid "See the <a href=\"http://manual.calibre-ebook.com/gui.html#the-search-interface\">User Manual</a> for more help"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:194
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:218
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:234
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:218
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:180
 msgid "A&dvanced Search"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:196
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:220
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:121
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:220
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:182
 msgid "Enter the title."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:197
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:125
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:221
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:183
 msgid "&Author:"
 msgstr ""
@@ -9664,14 +9671,14 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:203
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/template_functions_ui.py:101
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:223
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:135
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:223
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:184
 msgid "&Clear"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/dialogs/search_ui.py:204
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:224
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:146
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:224
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/adv_search_builder_ui.py:185
 msgid "Search only in specific fields:"
 msgstr ""
@@ -9680,7 +9687,12 @@ msgstr ""
 msgid "Titl&e/Author/Series ..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/dialogs/select_formats.py:45
+#: /home/kovid/work/calibre/src/calibre/gui2/dialogs/select_formats.py:38
+#, python-format
+msgid "The are %(count)d book(s) with the %(fmt)s format"
+msgstr ""
+
+#: /home/kovid/work/calibre/src/calibre/gui2/dialogs/select_formats.py:54
 msgid "Choose formats"
 msgstr ""
 
@@ -10453,7 +10465,7 @@ msgstr ""
 #: /home/kovid/work/calibre/src/calibre/gui2/shortcuts_ui.py:78
 #: /home/kovid/work/calibre/src/calibre/gui2/shortcuts_ui.py:83
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/chooser_widget_ui.py:83
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:81
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:148
 #: /home/kovid/work/calibre/src/calibre/gui2/store/search_ui.py:113
 #: /home/kovid/work/calibre/src/calibre/gui2/widgets.py:368
 msgid "None"
@@ -12504,7 +12516,7 @@ msgid "You can press the %s keys to toggle full screen mode."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/main.py:230
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:92
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:123
 msgid "&Apply"
 msgstr ""
 
@@ -12952,7 +12964,7 @@ msgid "Change paths to &lowercase"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/saving_ui.py:46
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:57
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:76
 msgid "Format &dates as:"
 msgstr ""
 
@@ -13076,17 +13088,17 @@ msgid ""
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending.py:28
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:41
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:70
 msgid "Manual management"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending.py:29
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:43
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:71
 msgid "Only on send"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending.py:30
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:45
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:72
 msgid "Automatic management"
 msgstr ""
 
@@ -13094,18 +13106,18 @@ msgstr ""
 msgid "Cannot change metadata management while a device is connected"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:30
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:69
 msgid "Metadata &management:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:50
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:73
 msgid ""
 "<li><b>Manual management</b>: Calibre updates the metadata and adds collections only when a book is sent. With this option, calibre will never remove a collection.</li>\n"
 "<li><b>Only on send</b>: Calibre updates metadata and adds/removes collections for a book only when it is sent to the device. </li>\n"
 "<li><b>Automatic management</b>: Calibre automatically keeps metadata on the device in sync with the calibre library, on every connect</li></ul>"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:64
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/sending_ui.py:77
 msgid "Here you can control how calibre will save your books when you click the Send to Device button. This setting can be overriden for individual devices by customizing the device interface plugins in Preferences->Advanced->Plugins"
 msgstr ""
 
@@ -13458,31 +13470,31 @@ msgstr ""
 msgid "The tweaks you entered are invalid, try resetting the tweaks to default and changing them one by one until you find the invalid setting."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:25
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:115
 msgid "Values for the tweaks are shown below. Edit them to change the behavior of calibre. Your changes will only take effect <b>after a restart</b> of calibre."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:56
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:116
 msgid "Edit tweaks for any custom plugins you have installed"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:57
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:117
 msgid "&Plugin tweaks"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:77
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:119
 msgid "Edit tweak"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:86
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:120
 msgid "Restore this tweak to its default value"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:87
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:121
 msgid "Restore &default"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:91
+#: /home/kovid/work/calibre/src/calibre/gui2/preferences/tweaks_ui.py:122
 msgid "Apply any changes you made to this tweak"
 msgstr ""
 
@@ -13618,30 +13630,30 @@ msgid "Enabled:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:227
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:189
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:232
 msgid "DRM:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:228
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:230
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:233
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:171
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:184
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:197
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:227
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:230
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:233
 msgid "true"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:229
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:231
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:234
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:173
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:186
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:199
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:228
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:231
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:234
 msgid "false"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/adv_search_builder_ui.py:232
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:163
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:226
 msgid "Affiliate:"
 msgstr ""
 
@@ -13650,7 +13662,7 @@ msgid "Nam&e/Description ..."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/chooser_widget_ui.py:78
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:31
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:142
 #: /home/kovid/work/calibre/src/calibre/gui2/store/search_ui.py:108
 msgid "Query:"
 msgstr ""
@@ -13660,7 +13672,7 @@ msgid "Enable"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/store/config/chooser/chooser_widget_ui.py:84
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:77
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:147
 #: /home/kovid/work/calibre/src/calibre/gui2/store/search_ui.py:112
 msgid "Invert"
 msgstr ""
@@ -13793,13 +13805,13 @@ msgid "Search:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/store/mobileread_store_dialog_ui.py:63
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:125
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:152
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/store_dialog_ui.py:77
 msgid "Books:"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/gui2/store/mobileread_store_dialog_ui.py:65
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:135
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:154
 #: /home/kovid/work/calibre/src/calibre/gui2/store/search_ui.py:114
 #: /home/kovid/work/calibre/src/calibre/gui2/store/stores/mobileread/store_dialog_ui.py:79
 #: /home/kovid/work/calibre/src/calibre/gui2/store/web_store_dialog_ui.py:63
@@ -13807,11 +13819,11 @@ msgstr ""
 msgid "Close"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:129
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:222
 msgid "&Price:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:176
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/adv_search_builder_ui.py:229
 msgid "Download:"
 msgstr ""
 
@@ -13883,16 +13895,16 @@ msgstr ""
 msgid "Choose format to download to your library."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:21
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:141
 #: /home/kovid/work/calibre/src/calibre/gui2/store/search_ui.py:107
 msgid "Get Books"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:114
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:150
 msgid "Open a selected book in the system's web browser"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:115
+#: /home/kovid/work/calibre/src/calibre/gui2/store/search/search_ui.py:151
 msgid "Open in &external browser"
 msgstr ""
 
@@ -14371,26 +14383,26 @@ msgstr ""
 msgid "Recipe Disabled"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:666
+#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:683
 msgid "<b>Failed</b>"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:700
+#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:717
 msgid "There are active jobs. Are you sure you want to quit?"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:703
+#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:720
 msgid ""
 " is communicating with the device!<br>\n"
 "                      Quitting may cause corruption on the device.<br>\n"
 "                      Are you sure you want to quit?"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:707
+#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:724
 msgid "Active jobs"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:776
+#: /home/kovid/work/calibre/src/calibre/gui2/ui.py:793
 msgid "will keep running in the system tray. To close it, choose <b>Quit</b> in the context menu of the system tray."
 msgstr ""
 
@@ -16784,11 +16796,11 @@ msgid "divide(x, y) -- returns x / y. Throws an exception if either x or y are n
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/utils/formatter_functions.py:214
-msgid "template(x) -- evaluates x as a template. The evaluation is done in its own context, meaning that variables are not shared between the caller and the template evaluation. Because the { and } characters are special, you must use [[ for the { character and ]] for the } character; they are converted automatically. For example, template('[[title_sort]]') will evaluate the template {title_sort} and return its value. Note also that prefixes and suffixes (the \"|prefix|suffix\" syntax) cannot be used in the argument to this function when using template program mode."
+msgid "template(x) -- evaluates x as a template. The evaluation is done in its own context, meaning that variables are not shared between the caller and the template evaluation. Because the { and } characters are special, you must use [[ for the { character and ]] for the } character; they are converted automatically. For example, template('[[title_sort]]') will evaluate the template {title_sort} and return its value. Note also that prefixes and suffixes (the `|prefix|suffix` syntax) cannot be used in the argument to this function when using template program mode."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/utils/formatter_functions.py:232
-msgid "eval(template) -- evaluates the template, passing the local variables (those 'assign'ed to) instead of the book metadata.  This permits using the template processor to construct complex results from local variables. Because the { and } characters are special, you must use [[ for the { character and ]] for the } character; they are converted automatically. Note also that prefixes and suffixes (the \"|prefix|suffix\" syntax) cannot be used in the argument to this function when using template program mode."
+msgid "eval(template) -- evaluates the template, passing the local variables (those 'assign'ed to) instead of the book metadata.  This permits using the template processor to construct complex results from local variables. Because the { and } characters are special, you must use [[ for the { character and ]] for the } character; they are converted automatically. Note also that prefixes and suffixes (the `|prefix|suffix` syntax) cannot be used in the argument to this function when using template program mode."
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/utils/formatter_functions.py:251
@@ -17012,7 +17024,7 @@ msgid "current_library_name() -- return the last name on the path to the current
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/utils/formatter_functions.py:1145
-msgid "finish_formatting(val, fmt, prefix, suffix) -- apply the format, prefix, and suffix to a value in the same way as done in a template like {series_index:05.2f| - |- }. For example, the following program produces the same output as the above template: program: finish_formatting(field(\"series_index\"), \"05.2f\", \" - \", \" - \")"
+msgid "finish_formatting(val, fmt, prefix, suffix) -- apply the format, prefix, and suffix to a value in the same way as done in a template like `{series_index:05.2f| - |- }`. For example, the following program produces the same output as the above template: program: finish_formatting(field(\"series_index\"), \"05.2f\", \" - \", \" - \")"
 msgstr ""
 
 #: /home/kovid/work/calibre/src/calibre/utils/ipc/job.py:43
@@ -17325,110 +17337,115 @@ msgstr ""
 msgid "Unknown News Source"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:755
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:672
+#, python-format
+msgid "Failed to download %s"
+msgstr ""
+
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:768
 #, python-format
 msgid "The \"%s\" recipe needs a username and password."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:862
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:875
 msgid "Download finished"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:864
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:877
 msgid "Failed to download the following articles:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:870
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:883
 msgid "Failed to download parts of the following articles:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:872
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:885
 msgid " from "
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:874
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:887
 msgid "\tFailed links:"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:976
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:989
 msgid "Could not fetch article."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:978
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:991
 msgid "The debug traceback is available earlier in this log"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:980
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:993
 msgid "Run with -vv to see the reason"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1003
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1016
 msgid "Fetching feeds..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1008
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1021
 msgid "Got feeds from index page"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1017
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1030
 msgid "Trying to download cover..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1019
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1032
 msgid "Generating masthead..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1099
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1112
 #, python-format
 msgid "Starting download [%d thread(s)]..."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1115
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1128
 #, python-format
 msgid "Feeds downloaded to %s"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1124
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1137
 #, python-format
 msgid "Could not download cover: %s"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1133
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1146
 #, python-format
 msgid "Downloading cover from %s"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1179
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1192
 msgid "Masthead image downloaded"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1260
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1273
 msgid "Articles in this issue: "
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1332
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1345
 msgid "Untitled Article"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1404
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1417
 #, python-format
 msgid "Article downloaded: %s"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1415
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1428
 #, python-format
 msgid "Article download failed: %s"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1432
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1445
 msgid "Fetching feed"
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1576
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1589
 msgid "Failed to log in, check your username and password for the calibre Periodicals service."
 msgstr ""
 
-#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1591
+#: /home/kovid/work/calibre/src/calibre/web/feeds/news.py:1604
 msgid "You do not have permission to download this issue. Either your subscription has expired or you have exceeded the maximum allowed downloads for today."
 msgstr ""
 
@@ -17871,3 +17888,11 @@ msgstr ""
 #: /home/kovid/work/calibre/resources/default_tweaks.py:499
 msgid "Compiled general program mode templates are significantly faster than\ninterpreted templates. Setting this tweak to True causes calibre to compile\n(in most cases) general program mode templates. Setting it to False causes\ncalibre to use the old behavior -- interpreting the templates. Set the tweak\nto False if some compiled templates produce incorrect values.\nDefault:    compile_gpm_templates = True\nNo compile: compile_gpm_templates = False"
 msgstr ""
+
+#: /home/kovid/work/calibre/resources/default_tweaks.py:508
+msgid "What format to default to when using the Tweak feature"
+msgstr ""
+
+#: /home/kovid/work/calibre/resources/default_tweaks.py:509
+msgid "The Tweak feature of calibre allows direct editing of a book format.\nIf multiple formats are available, calibre will offer you a choice\nof formats, defaulting to your preferred output format if it is available.\nSet this tweak to a specific value of 'EPUB' or 'AZW3' to always default\nto that format rather than your output format preference.\nSet to a value of 'remember' to use whichever format you chose last time you\nused the Tweak feature.\nExamples:\ndefault_tweak_format = None       (Use output format)\ndefault_tweak_format = 'EPUB'\ndefault_tweak_format = 'remember'"
+msgstr ""