[PATCH] libctf: update regexp to allow makeinfo to build document

[Eli Zaretskii]

> From: Enze Li <enze.li@hotmail.com>
> Cc: Andreas Schwab <schwab@linux-m68k.org>,  gdb-patches@sourceware.org,
>   binutils@sourceware.org,  enze.li@gmx.com
> Date: Sat, 14 Jan 2023 12:36:41 +0800
> 
> On Fri, Jan 13 2023 at 10:44:36 AM -0500, Eli Zaretskii wrote:
> 
> >> From: Andreas Schwab <schwab@linux-m68k.org>
> >> Cc: Enze Li <enze.li@hotmail.com>,  Eli Zaretskii <eliz@gnu.org>,
> >>   binutils@sourceware.org,  enze.li@gmx.com
> >> Date: Fri, 13 Jan 2023 16:36:09 +0100
> >> 
> >> On Jan 13 2023, Eli Zaretskii via Gdb-patches wrote:
> >> 
> >> > IMO, this solution has the same problem: it will stop working when
> >> > Texinfo 10.1 will be released.  I think the solution should be to use
> >> >
> >> >   egrep 'texinfo[^0-9]*(6\.[3-9]|[7-9][0-9]?)'
> >> 
> >> Since the match is not anchored, the trailing [0-9]? pattern is redundant.
> >
> > Right.  But I now actually think we need something different, like
> >
> >   egrep 'texinfo[^0-9]*(6\.[3-9]|[7-9]|[1-6][0-9])'
> 
> Hi Eli,
> 
> Thanks for your swift reply.
> 
> I've tested the following possible version numbers,
> 
> 6.2.1, 6.3.1, 6.9.1, 7.0.1, 9.9.1, 10.1.1, 60.1.1, 199.1.1, 999.1.1
> 
> with the command like this:
> 
> $ echo "(GNU texinfo) 6.2" | \
>   egrep 'texinfo[^0-9]*(6\.[3-9]|[7-9]|[1-6][0-9])'
> 
> All of these tests are Okay.
> 
> I sent a new version to the list, ok for the trunk?

It's fine by me, but I cannot approve changes to all the repositories
by myself.  So please wait for others to approve the change before you
install it.