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TXT Output: simpilfy retain indent regex. Force 4 indents to ensure we don't get situations where and entire line is whitespace.

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This commit is contained in:
John Schember 2011-02-06 20:41:12 -05:00
parent 1aa66f42fe
commit ad32cd1d72
1 changed files with 1 additions and 2 deletions
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3
src/calibre/ebooks/txt/processor.py
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@ -29,8 +29,7 @@ def clean_txt(txt):
txt = '\n'.join([line.rstrip() for line in txt.splitlines()])
# Replace whitespace at the beginning of the line with  
txt = re.sub('(?m)(?P<space>^[ ]+)(?=.)', lambda mo: '&nbsp;' * mo.groups('space').count(' '), txt)
txt = re.sub('(?m)(?P<space>^[\t]+)(?=.)', lambda mo: '&nbsp;' * 4 * mo.groups('space').count('\t'), txt)
txt = re.sub('(?m)(?<=^)([ ]{2,}|\t+)(?=.)', '&nbsp;' * 4, txt)
# Condense redundant spaces
txt = re.sub('[ ]{2,}', ' ', txt)