environment variable docs. Here is what I have done:
1. Removed some obsolete CERN references and done a tiny
bit of cleanup of mod_env.html.
2. Included references from mod_env.html and mod_setenvif.html
to env.html.
3. Prettied-up env.html a little bit by including sub-headings.
4. Added some "caveats" to env.html:
- No overriding basic CGI variables
- suexec restrictions
- no non-alphanumeric characters in env variable names
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@87621 13f79535-47bb-0310-9956-ffa450edef68
a235af4c8f