From e9875b7610a5924c07641abfbaa6f317904a26db Mon Sep 17 00:00:00 2001
From: =?utf8?q?Andr=C3=A9=20P=C3=B6nitz?= <poenitz@gmx.net>
Date: Wed, 13 Mar 2002 11:20:35 +0000
Subject: [PATCH] only accept  #n in macros with at least n arguments

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3738 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/mathed/math_cursor.C | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/mathed/math_cursor.C b/src/mathed/math_cursor.C
index c3ee8d0996..98e772ccb4 100644
--- a/src/mathed/math_cursor.C
+++ b/src/mathed/math_cursor.C
@@ -38,6 +38,7 @@
 #include "math_hullinset.h"
 #include "math_iterator.h"
 #include "math_macroarg.h"
+#include "math_macrotemplate.h"
 #include "math_mathmlstream.h"
 #include "math_parser.h"
 #include "math_replace.h"
@@ -1371,7 +1372,9 @@ bool MathCursor::interpret(char c)
 	if (inMacroArgMode()) {
 		--pos();
 		plainErase();
-		if ('1' <= c && c <= '9')
+		int n = c - '0';
+		MathMacroTemplate * p = formula()->par()->asMacroTemplate();
+		if (p && 1 <= n && n <= p->numargs())
 			insert(MathAtom(new MathMacroArgument(c - '0')));
 		else {
 			insert(MathAtom(new MathSpecialCharInset('#')));
-- 
2.39.2