[patch] fix bug 4584 for branch

[Uwe Stöhr]

Jürgen, OK?

Index: mathed/InsetMathNest.cpp
===================================================================
--- mathed/InsetMathNest.cpp	(revision 23253)
+++ mathed/InsetMathNest.cpp	(working copy)
@@ -1253,7 +1253,7 @@
 			return true;
 		}
 
-		if (isAlphaASCII(c)) {
+		if (isAlphaASCII(c) || c == '*') {
 			cur.activeMacro()->setName(name + docstring(1, c));
 			return true;
 		}