[AUCTeX] Re: Re: Problem with Latex command-completion (M-TAB)

[Ralf]

> > Problem: The Latex complete-command macro (M-TAB) is only recognizing 
> > a few commands. 
> Yes, those which were made available with `TeX-add-symbols'.
> > Examples:
> > \secti completes to \section.
> > \texti fails to complete to \textit, with error message "Can't find 
> > completion for \texti".  In contrast, the Latex-insert-font macro 
> > happily inserts \textit.
> `TeX-font' uses a different source of information than
> `TeX-complete-symbol'.

Is there a way to get M-TAB command-completion to work automatically for 
common LaTeX commands?  Or does the user need to manually define every 
command using TeX-add-symbols?  That seems painful!