>>> "IR" == Ihor Radchenko <yantar92@gmail.com> writes:

> Uwe Brauer <oub@mat.ucm.es> writes:
>> Thanks I run a test in an org-agenda and obtained
>> 
>> ,----
>> | 
>> | Debugger entered--Lisp error: (void-function file-name-concat)

> That's a function from latest Emacs. You may also use simple concat or
> even directly "/tmp/agenda.html" (temporary-file-directory is only
> available from Emacs 26).

Thanks, works very nicely, I only will send it inline, because then it is nicely displayed in HTML enabled MTA.