Hi,
It's not rendering, it's "armouring" - that is, hiding something from the parser, in this case, comments. Obviously the parser was changed to strip out comments from 1.6.0 onwards - sensible move, I feel.
Not really, because
1.) usually I embed between two tags <tag>...</tag> source code for a server software which delivers HTML code back. If by chance a combination of operators becomes a HTML comment or, whatever else is armoured, the program code won't execute anymore. 2.) The same behaviour appears if I use a construct like <url src="...." expr="/<!-- Content Begin -->(.*?)<!-- Content End -->/s">, the contents of params['expr'] is also /UNIQ197a31dba... Why the attribute of tag is "armoured" as well ?
Thanks for the answer nevertheless Sigbert