The meta title data set by comments needs to be encoded the same way that
meta encodes it. (NB The security implications of the missing encoding
are small.)
Note that meta's encoding of title, description, and guid data, and not
other data, is probably a special case that should be removed. Instead,
these values should be encoded when used. I have avoided doing so here
because that would mean forcing a wiki rebuild on upgrade to have the data
consitently encoded.
The output of "bzr log" seems to have changed a bit, so we change the
parsing accordingly. This has not been tested with earlier versions of
bzr.
Several problems seemed to occur, all in the bzr_log subroutine:
1. The @infos list would contain an empty hash, which would confuse the
rest of the program.
2. This was because bzr_log would push an empty anonymous hash to the
list whenever it thought a new record would start.
3. However, a new record marker (now?) also happens at th end of bzr log
output.
4. Now we collect the record to a hash that gets pushed to the list only
if it is not empty.
5. Also, sometimes bzr log outputs "revno: 1234 [merge]", so we catch only
the revision number.
6. Finally, there may be non-headers at the of the output, so we ignore
those.
Colons are not allowed at the start of urls, because it can be interpreted
as a protocol, and allowing arbitrary protocols can be unsafe
(CVE-2008-0809). However, this check was too restrictive, not allowing
use of eg, "video.ogv?t=0:03:00/0:04:00" to seek to a given place in a
video, or "somecgi?foo=bar:baz" to pass parameters with colons.
It's still not allowed to have a filename with a colon in it (ie
"foo:bar.png") -- to link to such a file, a fully qualified url must be
used.
pagespec_translate may set $@ if it fails to parse a pagespec, but
due to memoization, this is not reliable. If a memoized call is repeated,
and $@ is already set for some other reason previously, it will remain
set through the call to pagespec_translate.
Instead, just check if pagespec_translate returns undef.
To review, tcc does not really use environ, so you have to use clearenv
there. But POSIX, in their wisdom, didn't standardise clearenv yet,
so on FreeBSD, one still needs to manipulate environ on their own.
(If you use tcc on FreeBSD, this may leave you unsatisfied.)