- "comment_mark = re.compile('<[^>]*>')\n",
- "expand_mark = re.compile(':(\\d+):(\\d+):')"
+ "comment_mark = re.compile('<[^>]*>') # A < followed by some things that aren't > followed by >\n",
+ "expand_mark = re.compile(':(\\d+):(\\d+):') # A : followed by some digits, followed by another :, then some more digits, then a final :"