(sh-remember-variable): Set variable to empty string,

so as not to mess up subprocesses' environment.  Not so nice for
completion.

diff --git a/lisp/progmodes/sh-script.el b/lisp/progmodes/sh-script.el
index f1ad69221806f66bbbf361afb7d91ccee5c432ad..5927a8069fee6c47feaed2fcd778ebe17ce64d66 100644 (file)
--- a/lisp/progmodes/sh-script.el
+++ b/lisp/progmodes/sh-script.el
@@ -887,7 +887,7 @@ region, clear header."
   "Make VARIABLE available for future completing reads in this buffer."
   (or (< (length var) sh-remember-variable-min)
       (getenv var)
-      (setq process-environment (cons (concat var "=0") process-environment)))
+      (setq process-environment (cons (concat var "=") process-environment)))
   var)