infinite loop in tcl for ESC q fill-paragraph

[Sam Sirlin]

Given a very simple tcl file
# here is comment line 1
# here is comment line 2

Then move the cursor into the comment and hit M-q (ESC q) to see it
reformat the comment. Emacs 21.2 (-q) apparently gets into an infinite
loop. 20 does not.

-- 
Sam Sirlin
Email: sam@kalessin.jpl.nasa.gov