Macaulay2 in emacs issue

[KSchwede]

Hi all,

This is probably because I'm running something on a minimal vm in my department, but when our department pulled the latest version of M2 (1.20) on Ubuntu 20.04, and I tried running M2 via [F12] in emacs I get the following error at the bottom of my screen.

"Wrong type argument: commandp, M2"

Playing around in emacs lisp, it appears that emacs doesn't know about the M2 command.  Is there some missing package in this minimal ubuntu install?  

Where is the lisp script I should be loading in emacs typically?

Thanks!

Karl

[Daniel R. Grayson]

Try running /usr/bin/M2 in a shell window, and then giving M2 the command "setup()" or "setupEmacs()".  That

will put a file in your home directory and add a line to your .emacs file that calls it.  The result will be that the various

needed functions get loaded and attached to keystroke sequence (the next time you start emacs).

[KSchwede]

Hi Dan,

That's the first thing we tried.  We've executed M2 and run setup() in lots of different ways. 

Any other thoughts?

Karl

[Doug Torrance]

How was Macaulay2 installed?  If it was using the PPA, then the Emacs files are in a separate package (elpa-macaulay2).  By default, it should be installed alongside macaulay2 and macaulay2-common, but not if apt isn't set up to install "Recommended" packages, which may be the case on a minimal system.

Doug

[KSchwede]

Thanks!  Problem solved.  It turned out there were multiple versions of emacs running around.

[Daniel R. Grayson]

So how did using the wrong version of emacs prevent it from working?  Was it a version of

emacs that doesn't even load the file ~/.emacs ?