Re: ignoring control characters in character width

[Eli Zaretskii]

> Date: Tue, 5 Sep 2023 21:16:47 +0200
> From: Patrice Dumas <pertusus@free.fr>
> Cc: bug-texinfo@gnu.org
> 
> I think I understand what you don't understand, actually this is not
> about displaying the characters, which is not really done by texi2any,
> it is about situations where we need to count the width of characters
> in texi2any.  For instance, this is to determine when to put end of
> lines when formatting Info to compare with line width, or to format
> multitable cells, or to determine the length of underlining * for a
> heading string as in 
> 
> Some heading
> ************
> 
> Hope that it is clearer.  Also we need to make this choice without
> knowing precisely how the characters will be displayed.  In general
> the display is done by info readers for Info, but it could also be in a
> pager, a text editor for the diverse possibilities of plain text output.

OK, but in any case the width of control characters is not zero,
except for some of them, like newline.

Perhaps you should describe the problem you are trying to solve in
more detail?