From 1721d09ac8e55bb4b675cea26cbe6b707fd21a2c Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 5 Feb 2014 12:22:55 -0200
Subject: still accepts initial '=' for expressions, for compatibility with old
 versions (and old habits...)

---
 lua.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

(limited to 'lua.c')

diff --git a/lua.c b/lua.c
index 70f7cc24..e0ca0669 100644
--- a/lua.c
+++ b/lua.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lua.c,v 1.207 2013/10/07 14:20:31 roberto Exp roberto $
+** $Id: lua.c,v 1.208 2013/12/16 14:27:17 roberto Exp roberto $
 ** Lua stand-alone interpreter
 ** See Copyright Notice in lua.h
 */
@@ -270,7 +270,10 @@ static int pushline (lua_State *L, int firstline) {
   l = strlen(b);
   if (l > 0 && b[l-1] == '\n')  /* line ends with newline? */
     b[l-1] = '\0';  /* remove it */
-  lua_pushstring(L, b);  /* save line in Lua */
+  if (firstline && b[0] == '=')  /* for compatibility with 5.2, ... */
+    lua_pushfstring(L, "return %s", b + 1);  /* change '=' to 'return' */
+  else
+    lua_pushstring(L, b);
   lua_freeline(L, b);
   return 1;
 }
-- 
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