Re: M-w, then C-y. C-y inserts text properties that aren't on original.

[Eli Zaretskii <eliz@gnu.org>]

> Date: Sun, 21 Feb 2010 21:59:51 +0000
> Cc: emacs-devel@gnu.org
> From: Alan Mackenzie <acm@muc.de>
> 
> > Here's one idea: make a deep search through the properties of the
> > value of the `category' property, looking for any of the properties in
> > `yank-excluded-properties'.  If found, do the replacement we do now.
> 
> I'm not in favour of anything like this.
> 
> The way the current replacement works, it replaces category properties
> with "hard" properties.  These "hard" properties then foul up future
> category properties, should you apply a different category, or change
> the properties on the category symbol.
> 
> As Richard said back in 2002, it's a difficult problem to fix, because
> there's no general or canonical case.  I think a better way would have
> been simply to drop category properties.  But we've got what we've got,
> so why not just stick with it?

I thought you wanted to fix the original problem, didn't you?  So I
suggested one way of having it fixed.  If we leave things as they are,
the problem you are having will stay as well, no?