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Re: ampersand issue with texi2dvi
From: |
Gavin Smith |
Subject: |
Re: ampersand issue with texi2dvi |
Date: |
Thu, 6 Sep 2018 20:46:57 +0100 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Thu, Sep 06, 2018 at 09:52:13PM +0300, Eli Zaretskii wrote:
> The point is to support optional arguments to Lisp functions, like
> this:
>
> @defun set-input-mode interrupt flow meta &optional quit-char
>
> and also like this:
>
> @defun notifications-notify &rest params
>
> You can see such examples all over the Emacs Lisp Reference manual
> that comes with Emacs.
>
> If we can distinguish & followed by a letter from everything else,
> this problem can be fixed, I think.
There is also something in there about putting text in brackets in bold
and possibly changing the font used for the bracket characters
themselves. I don't know what that is all about.
But the basic problem seems simple enough to understand. When an
ampersand is seen, it is interpreted as a macro with the argument the
text up to the next space. Brace characters can delimit macro arguments
in TeX and &} is non-sensical. In @code{aaa&} the argument of & has to
be nested within the argument of @code but the closing space is not
seen. If only there was some way to take the argument up to the next
space OR the next closing brace.
I can't think of a simple solution. The only thing that comes to mind is
to change the definition of & inside any arguments to commands in a @def
line but this would be hard to do for every single Texinfo command. Or
perhaps there could be some preprocessing of an entire @def line at once
to replace the & at the top level with a control sequence. Or inserting
extra tokens into the line that will be interpreted later somehow.
- ampersand issue with texi2dvi, Heiko Stamer, 2018/09/05
- Re: ampersand issue with texi2dvi, Gavin Smith, 2018/09/06
- Re: ampersand issue with texi2dvi, Eli Zaretskii, 2018/09/06
- Re: ampersand issue with texi2dvi,
Gavin Smith <=
- Re: ampersand issue with texi2dvi, Eli Zaretskii, 2018/09/06
- Re: ampersand issue with texi2dvi, Gavin Smith, 2018/09/08
- Re: ampersand issue with texi2dvi, Eli Zaretskii, 2018/09/08
- Re: ampersand issue with texi2dvi, Werner LEMBERG, 2018/09/08
- Re: ampersand issue with texi2dvi, Gavin Smith, 2018/09/21
- Re: ampersand issue with texi2dvi, Heiko Stamer, 2018/09/22