Fix a FIXME with an exegetical comment

* lisp/progmodes/sh-script.el (sh-builtins): Explain why we have a
regexp for wksh builtins.

diff --git a/lisp/progmodes/sh-script.el b/lisp/progmodes/sh-script.el
index 24fba1505f54115450eea2697dec76a16a2b0fc5..95fe3b082ba3af7285d1ea1f930efb91587dc768 100644 (file)
--- a/lisp/progmodes/sh-script.el
+++ b/lisp/progmodes/sh-script.el
@@ -710,7 +710,7 @@ removed when closing the here document."
     (shell "cd" "echo" "eval" "set" "shift" "umask" "unset" "wait")
 
     (wksh sh-append ksh88
-          ;; FIXME: This looks too much like a regexp.  --Stef
+          ;; wksh has X toolkit APIs as built-ins!
          "Xt[A-Z][A-Za-z]*")
 
     (zsh sh-append ksh88