infinite loop in xemacs (20.0) w/ ESS for SAS (5.1.18)

[Rich Heiberger]

first guess.  it's not SAS, it's stata that is having the problem.
comment out the line
(require 'essd-sta)  ;; for Stata.
=in ess-site.el

second guess, assuming first is true:  stata has a much more complex set of commands
to generate regular expressions than we (Rodney and me) constructed for SAS.
SPecifically, 

the essl-sta.el uses constructions of the form 
(eval-when-compile
     (make-regexps .....))
and in essl-sas.el we used constructions of the form
(make-regexp .....)

Conclusion, Tony should look at the essd-sta.el file.

Rich
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