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Make unit_convert a little more robust

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This commit is contained in:
Kovid Goyal 2007-12-10 00:13:37 +00:00
parent 1f1fa673af
commit e1c15324e3
1 changed files with 1 additions and 1 deletions
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src/libprs500/ebooks/lrf/html/convert_from.py
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@ -1138,7 +1138,7 @@ class HTMLConverter(object):
except ValueError:
pass
m = re.match("\s*(-*[0-9]*\.?[0-9]*)\s*(%|em|px|mm|cm|in|pt|pc)", val)
if m is not None:
if m is not None and m.group(1):
unit = float(m.group(1))
if m.group(2) == '%':
normal = self.unit_convert(base_length)