Re: https://www.gnu.org/software/m4/manual/m4.html

[Eric Blake]

On 02/11/2018 12:09 PM, Howard Johnson wrote:
> Hi,
>
> In the m4 documentation web page, for example at 
> https://www.gnu.org/software/m4/manual/m4.html#Comments 
> <mailto:address@hidden>, the character used for an opening single quote 
> displays incorrectly.  Here is a snapshot:
>
> ------------------------------------------------------------------------
>
> ------------------------------------------------------------------------

Your snapshot did not render correctly in plain text.

> I'm pretty sure what is meant is that the same character is used both 
> before and after *quoted text* above. 

No, that is NOT what is meant.

> But what appears is a slanted 
> tick and then a straight tick.

Yes, that is correct.

> I think this should read:
>
>     $m4
>
>     'quoted text' # 'commented text'

Wrong.

The default m4 quoting strings are back-tick (`, ASCII 96) for opening 
quote, and single-quote (', ASCII 39) for closing quote.  Yes, they are 
asymmetrical, and that is intentional.

>     ...
>
>
> If I disable the style sheet I still see them wrong, so it's not a css 
> thing:
>
>
>
> Also this is not dependent on browser, i.e. Firefox and Chrome both 
> display this the same.

Good - because that's what they are supposed to display.

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3266
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