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doc update

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ldolse 2011-01-19 02:18:49 +08:00
parent 3c45dba7cc
commit ca89710f65
1 changed files with 16 additions and 15 deletions
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src/calibre/manual/conversion.rst
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@ -331,6 +331,22 @@ remove all non-breaking-space entities.
Some documents use a convention of defining text indents using non-breaking space entities. When this option is enabled |app| will
attempt to detect this sort of formatting and convert them to a 3% text indent using css.
.. search-replace:
Search & Replace
---------------------
These options are useful primarily for conversion of PDF documents. Often, the conversion leaves
behind page headers and footers in the text. These options use regular expressions to try and detect
the headers and footers and remove them. Remember that they operate on the intermediate XHTML produced
by the conversion pipeline. There is also a wizard to help you customize the regular expressions for
your document. These options can also be used for generic search and replace of any content by additionally
specifying a replacement expression.
The search works by using a python regular expression. All matched text is simply removed from
the document or replaced using the replacement pattern. You can learn more about regular expressions and
their syntax at http://docs.python.org/library/re.html.
.. _structure-detection:
Structure Detection
@ -374,21 +390,6 @@ which means that |app| will insert page breaks before every `<h1>` and `<h2>` ta
The default expressions may change depending on the input format you are converting.
Removing headers and footers
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
These options are useful primarily for conversion of PDF documents. Often, the conversion leaves
behind page headers and footers in the text. These options use regular expressions to try and detect
the headers and footers and remove them. Remember that they operate on the intermediate XHTML produced
by the conversion pipeline. There is also a wizard to help you customize the regular expressions for
your document.
The header and footer regular expressions are used in conjunction with the remove header and footer options.
If the remove option is not enabled the regular expression will not be applied to remove the matched text.
The removal works by using a python regular expression. All matched text is simply removed from
the document. You can learn more about regular expressions and their syntax at
http://docs.python.org/library/re.html.
Miscellaneous
~~~~~~~~~~~~~~