Try parsing this:
{|
| a |
<!--c1-->
<!--c2-->| b
| } |
The "| b" is not parsed as a table-cell and is serialized to plain text.
Found while examining nowikis on http://localhost:8000/_rt/dewiki/Kommunalwahl_in_K%C3%B6ln_2009
Version: unspecified
Severity: normal