Don't strip trailing backslashes from a line. Treat them more reasonably.

src/bin/psql/command.c

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.34 2000/06/26 14:16:34 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/command.c,v 1.35 2000/07/17 18:24:32 petere Exp $
  */
 #include "postgres.h"
 #include "command.h"
@@ -111,6 +111,9 @@ HandleSlashCmds(const char *line,
 	{
 		continue_parse = &my_line[blank_loc];
 		my_line[blank_loc] = '\0';
+		/* If it's a double backslash, we skip it. */
+		if (my_line[blank_loc + 1] == '\\')
+			continue_parse += 2;
 	}
 	/* do we have an option string? */
 	else if (my_line[blank_loc] != '\0')

src/bin/psql/mainloop.c

@@ -3,7 +3,7 @@
  *
  * Copyright 2000 by PostgreSQL Global Development Group
  *
- * $Header: /cvsroot/pgsql/src/bin/psql/mainloop.c,v 1.33 2000/07/14 15:43:49 thomas Exp $
+ * $Header: /cvsroot/pgsql/src/bin/psql/mainloop.c,v 1.34 2000/07/17 18:24:33 petere Exp $
  */
 #include "postgres.h"
 #include "mainloop.h"
@@ -248,17 +248,6 @@ MainLoop(FILE *source)
 
 		pset.lineno++;
 
-		/* strip trailing backslashes, they don't have a clear meaning */
-		while (1)
-		{
-			char	   *cp = strrchr(line, '\\');
-
-			if (cp && (*(cp + 1) == '\0'))
-				*cp = '\0';
-			else
-				break;
-		}
-
 		/* nothing left on line? then ignore */
 		if (line[0] == '\0')
 		{