bug#31555: Needs space between two footnotes(emacs-26)

[Eli Zaretskii]

> From: Takesi Ayanokoji <ayanokoji.takesi@gmail.com>
> Date: Wed, 23 May 2018 01:44:45 +0900
> 
> In custom.texi: 1315..1332, there two continuous @footnote markups in a 
> paragraph.
> 
> When it is compiled to info-format, below text will be generated, and it is 
> Ok for readers.
> 
> start here >>>
> The usual way to define directory-local variables is to put a file named 
> *.dir-locals.el*(1)(2) in a directory.  
> <<< end here
> 
> But in html-format, this will generate non-distinguished-looks output.
> 
> start here >>>
> The usual way to define directory-local variables is to put a file named 
> .dir-locals.el2223 in a directory. 
> <<< end here
> 
> When user click this hyperlink, either one will be selected depends on 
> clicked position. But until click actually,
> it seems one hyperlink.

The second one shouldn't be a footnote.  Fixed.