On Wed, Nov 01, 2023 at 02:02:12PM +0000, Helge Kreutzmann wrote:
> Without further ado, the following was found:
> 
> Issue:    I<egrep> → B<egrep>(1)

Fixed:
<https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/commit/?h=contrib&id=f43a9ed0f80c18ca8a033883d726bfa78fa5c7d6>

Thanks,
Alex

> 
> "Regular expressions (\"RE\"s), as defined in POSIX.2, come in two forms: "
> "modern REs (roughly those of I<egrep>; POSIX.2 calls these \"extended\" "
> "REs)  and obsolete REs (roughly those of B<ed>(1); POSIX.2 \"basic\" REs).  "
> "Obsolete REs mostly exist for backward compatibility in some old programs; "
> "they will be discussed at the end.  POSIX.2 leaves some aspects of RE syntax "
> "and semantics open; \"\\*(dg\" marks decisions on these aspects that may not "
> "be fully portable to other POSIX.2 implementations."

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