Re: doc: Document that glob includes glob_pattern_p.

[Bruno Haible]

Hi Collin,

> The glob_pattern_p function is compiled and defined if the system does
> not provide it or if it's glob function is replaced. I've added the
> module to the documentation for this function.

Thanks.

Now that we have a module index in the documentation, the idiom to use is:

  Gnulib module: glob
  @mindex glob

The module index should reference all locations in the documentation where
the module is mentioned (not just the primary location).

Bruno