The logo of the about page is never shown although it is displayed on all other pages

[John Keeping]

On Sat, Aug 25, 2018 at 09:41:44AM +0200, jean-christophe manciot wrote:
> I use *v1.2.1* with the patch regarding the table of contents
> <https://git.zx2c4.com/cgit/diff/filters/html-converters/md2html?h=ch/anchorlinks&id=42e70dcbe84e128ba23a25918e3d5d9aac656dc6>
>  .
> I have the following setup:
> /etc/cgitrc:
> logo=/cgit-css/cgit.png
> 
> Each repo has its own cgitrc, for instance:
> logo=https://git.sdxlive.com/PPA/plain/logo.png
> logo-link=https://help.ubuntu.com/lts/serverguide/index.html
> 
> The logo is displayed correctly on all pages (summary, refs, log, ...)
> except on the about page where I get:

Can you share a public URL demonstrating the problem?

The code for outputting the page header (including the logo) is shared
for all pages so I can't see why it would output a broken link just on
the about page.