bug#34286: M-x man grep weird lines

[Andy Moreton]

On Sat 02 Feb 2019, Eli Zaretskii wrote:

> tags 34286 notabug
> thanks
>
>> From: 積丹尼 Dan Jacobson
>>      <jidanni@jidanni.org>
>> Date: Fri, 01 Feb 2019 07:17:17 +0800
>> 
>> $ emacs -nw -q
>> M-x man grep
>> 
>> Do you see those weird lines?
>
> That's normal: faces straddle the newline.  In this case, it's the
> underline face, but you will see the same if you use a face with a
> non-default background color.

>From looking at this, the man page formatting is ok, but there is a
problem with the buttons added to allow following references.

The first overlay button added by `Man-highlight-references0' uses a
start position in the middle of a subsection heading in the "SEE ALSO"
section, so something is not right with the regexps that locate these
references.

    AndyM