bug#3312: 23.0.93; Use punctuation syntax for apostrophe in Info

[Eli Zaretskii]

> From: Juri Linkov <juri@jurta.org>
> Date: Sun, 17 May 2009 21:59:59 +0300
> Cc: emacs-pretest-bug@gnu.org, 3312@emacsbugs.donarmstrong.com
> 
> I don't know whether this is grammatically correct or not but at
> least the Unicode says that the category of the apostrophe is
> Punctuation, so perhaps we should change apostrophe syntax to
> punctuation in text-mode as well.

Unicode and Emacs have different goals, so we should look for good
reasons that stem from Emacs usage, not follow external standards
blindly.