Hi Eric, Tim, Carsten and all, Eric S Fraga wrote: > At Fri, 29 Jan 2010 06:26:21 -0500, Tim Burt wrote: >> Eric S Fraga writes: >>> For any LaTeX expert out there, is there an easy way to determine whether >>> a particular macro has been defined? If so, we wouldn't even need to check >>> for beamer, simply for \alert. >> >> Use the >> \ifx<command>\undefined ... \else ... \fi >> construct to determine if a command already exists, and then to take action >> in the appropriate case. Test the example below both as-is and with the >> first ~\newcommand*{\thisalert}~ commented out to see the different >> results.
Thanks to all. This is great stuff... > The following org-mode line does the job for me: > > #+latex_header: \ifx\alert\undefined\let\alert\textbf\fi > > If \alert is not defined, I have =alert= behave as =textbf=. Could this somehow made part of Org-mode, so that one does not need to repeat this one-liner in every file that could be exported to pure LaTeX and/or Beamer? Best regards, Seb -- Sébastien Vauban _______________________________________________ Emacs-orgmode mailing list Please use `Reply All' to send replies to the list. Emacs-orgmode@gnu.org http://lists.gnu.org/mailman/listinfo/emacs-orgmode