[LyX/master] Handle the case of outdated chkconfig.ltx in user directory

[Pavel Sanda]

On Sun, Apr 21, 2024 at 11:48:22AM +0200, Jürgen Spitzmüller wrote:
> Am Sonntag, dem 21.04.2024 um 11:42 +0200 schrieb Pavel Sanda:
> > Not sure if it's woth the flurry of new commits, but:
> > 1) "We" sounds somewhat unusual in our messages
> > 2) "If you did not copy the script there" was somewhat confusing on
> > first reading as it does not relate to the previous sentence, but the
> > first one (->"If you did not copy the original script there")
> > 3) maybe by purpose -> on purpose ?
> 
> Feel free to improve, but I suppose it needs to be done soon at least
> in 2.4.x.

Will do if you are fine with my proposal.
Pavel