In message "Emacs ruby-mode hanging"
on 04/02/12, Guillaume Marcais <fr> writes:
|There must be an endless loop in ruby mode on Emacs. I enter the
|when 1 ||
|Then the cursor is on the line after 'when ...', I press Tab and it
|hangs showing me an hour glass forever, eating up 100% of CPU!
Hmm, Emacs 21.3.1 with ruby-mode.el from CVS HEAD works fine for me.