bug#10702: 24.0.92; broken widget in Man

[Stefan Monnier]

>>> There seem to be a few other places in Emacs that use usr/include (eg
>>> ffap-c-path), so perhaps this should be centralized somewhere.
>> Yes, after 24.1,
> OK. Do you want some, all, or none of the following individual users
> fixing for 24.1?
> Man-header-file-path
> cc-search-directories
> ffap-c-path
> semantic-c-dependency-system-include-path
> semantic-gcc-setup

I'd recommend not to touch the semantic-*.
And I wouldn't bother with cc-search-directories which doesn't even bother
to obey the prefix naming convention.
So if you can fix the remaining two, with a clear comment about the
duplication and need for unification, then that'd be wonderful,


        Stefan