2 xml files, namely zoneinfo.xml and releaselist.xml contain comments like these:
Developers should be aware that \'--\', i.e. double-dash has special meaning inside an xml comment - namely it stops and restarts the comment.
example: will contain 2 cdata nodes \" text \" and 3 comment nodes.
in short, unless you want to count all the dashes in the comments, don\'t use them
. These particular comments are in between of nodes that expect cdata, so the potential extra text will probably be ignored anyway though.