Make .eval() evaluate top-level only.

[ginac.git] / ginsh / ginsh_lexer.lpp

diff --git a/ginsh/ginsh_lexer.lpp b/ginsh/ginsh_lexer.lpp
index ec5bc0e9f3fb33b6a16810cd4dba92db0a85cbc6..b33763b383276029b1e0dab266601d7bcdab9c4c 100644 (file)
--- a/ginsh/ginsh_lexer.lpp
+++ b/ginsh/ginsh_lexer.lpp
@@ -4,7 +4,7 @@
  *  This file must be processed with flex. */
 
 /*
- *  GiNaC Copyright (C) 1999-2011 Johannes Gutenberg University Mainz, Germany
+ *  GiNaC Copyright (C) 1999-2015 Johannes Gutenberg University Mainz, Germany
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -26,6 +26,8 @@
  *  Definitions
  */
 
+%option nounput
+
 %pointer
 
 %{