X-Git-Url: http://winboard.nl/cgi-bin?p=xboard.git;a=blobdiff_plain;f=parser.l;h=82957eb41b19cd497b761c42cebb4580bddd6baf;hp=29a2fa944bd6f13a7dfb35ccc177fee7df73d083;hb=d016fb202fe45795e630e22ba516e754cf694ea6;hpb=cf8ee83ef1cee354cad4503b242f724abac1fe68

diff --git a/parser.l b/parser.l
index 29a2fa9..82957eb 100755
--- a/parser.l
+++ b/parser.l
@@ -7,12 +7,12 @@
 %{
 /*
  * parser.l -- lex parser of algebraic chess moves for XBoard
- * $Id: parser.l,v 2.1 2003/10/27 19:21:00 mann Exp $
  *
  * Copyright 1991 by Digital Equipment Corporation, Maynard,
- * Massachusetts.  Enhancements Copyright
- * 1992-2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software
- * Foundation, Inc.
+ * Massachusetts.
+ *
+ * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005,
+ * 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
  *
  * The following terms apply to Digital Equipment Corporation's copyright
  * interest in XBoard:
@@ -470,9 +470,13 @@ extern void CopyBoard P((Board to, Board from));
     if (WhiteOnMove(yyboardindex)) {
         if (yytext[2+skip] == ONE) return (int) ImpossibleMove;
 	currentMoveString[1] = yytext[2+skip] - 1;
+	if(boards[yyboardindex][currentMoveString[1]-ONE][currentMoveString[0]-AAA] != WhitePawn) 
+		return ImpossibleMove;
     } else {
         currentMoveString[1] = currentMoveString[3] + 1;
         if (currentMoveString[3] == ONE+BOARD_HEIGHT-1) return (int) ImpossibleMove;
+	if(boards[yyboardindex][currentMoveString[1]-ONE][currentMoveString[0]-AAA] != BlackPawn) 
+		return ImpossibleMove;
     }
     if (yyleng-skip > 3) {
 	if (yytext[yyleng-1] == ')')