[ESS] confusion with Perl and R-mode in XEmacs

Stephen Eglen S.J.Eglen at damtp.cam.ac.uk
Mon Oct 18 21:10:30 CEST 2010

Dear Alex, thanks for the bug report.

I've just tried changing the alist entry to:
   ("^r$" . r-mode)

but it doesn't work.  The relevant function which checks
interpreter-mode-alist is set-auto-mode which does the following:

	    done (assoc (file-name-nondirectory mode)

so the alist keys are just keys, and not regexps.

Also, with a simple file 'test1', and no .pl suffix containing:


it does go into Perl mode.  This is with emacs 23.2 -- is this an XEmacs
only bug?  Can you check if your proposal (adding regexps to the key)
solves the problem on XEmacs?

thanks, Stephen

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