shift-tab vs. iso-left-tab in XEmacs

[Aidan Kehoe]

 Ar an tríú lá is fiche de mí Márta, scríobh It's me FKtPp ;\): 

 > Would you please help check if the key map 
 > 
 > (define-key Info-mode-map [(shift tab)] 'Info-prev-reference)
 > 
 > work in your environment?

It doesn’t work in mine; it’s a quirk of some XFree86 (and derived) layouts. 
I don’t think our friends in the US have the problem on their layouts.

 > In my env, the key shift-tab always returns as iso-left-tab in XEmacs,
 > and it was undefined. So I can't get any of the [(shift tab)] code work.

I think we should change XEmacs to translate iso-left-tab to [(shift tab)]
on XFree86, like so:

diff -r fa137f83a729 lisp/x-win-xfree86.el
--- a/lisp/x-win-xfree86.el	Tue Feb 23 14:18:55 2010 +0000
+++ b/lisp/x-win-xfree86.el	Mon Mar 22 21:10:20 2010 +0000
@@ -77,6 +77,9 @@
 	     nil nil nil nil nil ?/ nil nil nil nil nil nil nil nil 
 	     nil nil nil nil nil ?=])
 
+  (when (x-keysym-on-keyboard-p 'iso-left-tab device)
+    (define-key function-key-map 'iso-left-tab [(shift tab)]))
+
   (loop for (key sane-key) in
     '((f13 f1)
       (f14 f2)

-- 
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Mycobacterium leprae, although it can be grown in the footpads of mice.”
  -- Kumar & Clark, Clinical Medicine, summarising improbable leprosy research