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Lee 2012-04-21 00:52:13 +08:00
parent 9217e6bed3
commit 740c812de2
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10
src/calibre/ebooks/conversion/utils.py
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@ -316,9 +316,17 @@ class HeuristicProcessor(object):
'''
Unwraps lines based on line length and punctuation
supports a range of html markup and text files
the lookahead regex below is meant look for any non-full stop characters - punctuation
characters which can be used as a full stop should *not* be added below - e.g. ?!“”. etc
the reason for this is to prevent false positive wrapping. False positives are more
difficult to detect than false negatives during a manual review of the doc
This function intentionally leaves hyphenated content alone as that is handled by the
dehyphenate routine in a future step
'''
# define the pieces of the regex
# define the pieces of the regex
lookahead = "(?<=.{"+str(length)+u"}([a-zäëïöüàèìòùáćéíĺóŕńśúýâêîôûçąężıãõñæøþðßěľščťžňďřů,:)\IA\u00DF]|(?<!\&\w{4});))" # (?<!\&\w{4});) is a semicolon not part of an entity
em_en_lookahead = "(?<=.{"+str(length)+u"}[\u2013\u2014])"
soft_hyphen = u"\xad"