hgrc.5: drop 'hgext.' prefix when talking about extensions
The first paragraph apply to all extensions, not just those in hgext.
The second paragraph can just use the simpler form to load mq.
This is a rudimentary test of the CGI files as of d74fc8dec2b4.
$ hg init test
$ cat >hgweb.cgi <<HGWEB
> #!/usr/bin/env python
> #
> # An example CGI script to use hgweb, edit as necessary
>
> import cgitb
> cgitb.enable()
>
> from mercurial import demandimport; demandimport.enable()
> from mercurial.hgweb import hgweb
> from mercurial.hgweb import wsgicgi
>
> application = hgweb("test", "Empty test repository")
> wsgicgi.launch(application)
> HGWEB
$ chmod 755 hgweb.cgi
$ cat >hgweb.config <<HGWEBDIRCONF
> [paths]
> test = test
> HGWEBDIRCONF
$ cat >hgwebdir.cgi <<HGWEBDIR
> #!/usr/bin/env python
> #
> # An example CGI script to export multiple hgweb repos, edit as necessary
>
> import cgitb
> cgitb.enable()
>
> from mercurial import demandimport; demandimport.enable()
> from mercurial.hgweb import hgwebdir
> from mercurial.hgweb import wsgicgi
>
> application = hgwebdir("hgweb.config")
> wsgicgi.launch(application)
> HGWEBDIR
$ chmod 755 hgwebdir.cgi
$ . "$TESTDIR/cgienv"
$ python hgweb.cgi > page1
$ python hgwebdir.cgi > page2
$ PATH_INFO="/test/"
$ PATH_TRANSLATED="/var/something/test.cgi"
$ REQUEST_URI="/test/test/"
$ SCRIPT_URI="http://hg.omnifarious.org/test/test/"
$ SCRIPT_URL="/test/test/"
$ python hgwebdir.cgi > page3
$ grep -i error page1 page2 page3
[1]