Replace '--' with '—' character

boards/mdx_neboard.py

@@ -1,3 +1,5 b''
+# coding=utf-8
+
 import markdown
 from markdown.inlinepatterns import Pattern, SubstituteTagPattern
 from markdown.util import etree
@@ -12,6 +14,7 b" REFLINK_PATTERN = r'((>>)(\\d+))'"
 SPOILER_PATTERN = r'%%([^(%%)]+)%%'
 COMMENT_PATTERN = r'^(//(.+))'
 STRIKETHROUGH_PATTERN = r'~(.+)~'
+DASH_PATTERN = r'--'
 
 
 class TextFormatter():
@@ -144,6 +147,11 b' class CodePattern(TextFormatter):'
     format_left = '    '
 
 
+class DashPattern(Pattern):
+    def handleMatch(self, m):
+        return u'—'
+
+
 class NeboardMarkdown(markdown.Extension):
     def extendMarkdown(self, md, md_globals):
         self._add_neboard_patterns(md)
@@ -162,6 +170,7 b' class NeboardMarkdown(markdown.Extension'
         spoiler = SpoilerPattern(SPOILER_PATTERN, md)
         comment = CommentPattern(COMMENT_PATTERN, md)
         strikethrough = StrikeThroughPattern(STRIKETHROUGH_PATTERN, md)
+        dash = DashPattern(DASH_PATTERN, md)
 
         md.inlinePatterns[u'autolink_ext'] = autolink
         md.inlinePatterns[u'spoiler'] = spoiler
@@ -169,6 +178,7 b' class NeboardMarkdown(markdown.Extension'
         md.inlinePatterns[u'comment'] = comment
         md.inlinePatterns[u'reflink'] = reflink
         md.inlinePatterns[u'quote'] = quote
+        md.inlinePatterns[u'dash'] = dash
 
 
 def make_extension(configs=None):