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svg double hyphen in plot title -- #1967

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merged 1 commit into from May 3, 2013
Merged

svg double hyphen in plot title -- #1967

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9 changes: 7 additions & 2 deletions lib/matplotlib/backends/backend_svg.py
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@@ -1,6 +1,6 @@
from __future__ import division

import os, base64, tempfile, urllib, gzip, io, sys, codecs
import os, base64, tempfile, urllib, gzip, io, sys, codecs, re

import numpy as np

Expand Down Expand Up @@ -71,6 +71,11 @@ def escape_cdata(s):
s = s.replace(u">", u">")
return s

_escape_xml_comment = re.compile(r'-(?=-)')
def escape_comment(s):
s = escape_cdata(s)
return _escape_xml_comment.sub('- ', s)

def escape_attrib(s):
s = s.replace(u"&", u"&")
s = s.replace(u"'", u"'")
Expand Down Expand Up @@ -146,7 +151,7 @@ def start(self, tag, attrib={}, **extra):
def comment(self, comment):
self.__flush()
self.__write(self.__indentation[:len(self.__tags)])
self.__write(u"<!-- %s -->\n" % escape_cdata(comment))
self.__write(u"<!-- %s -->\n" % escape_comment(comment))

##
# Adds character data to the output stream.
Expand Down