From 741d3d8a00d90fb5659dec2767d7eb8bd235fdbb Mon Sep 17 00:00:00 2001
From: Richard Kenner <kenner@gcc.gnu.org>
Date: Thu, 14 Sep 1995 17:41:30 -0400
Subject: [PATCH] (do_cleaning): Don't blank out backslash-escaped newlines in
 double quoted strings.

From-SVN: r10355
---
 gcc/protoize.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/gcc/protoize.c b/gcc/protoize.c
index df8ec65b143..b577b2ab428 100644
--- a/gcc/protoize.c
+++ b/gcc/protoize.c
@@ -3970,7 +3970,9 @@ do_cleaning (new_clean_text_base, new_clean_text_limit)
                 if (++scan_p >= new_clean_text_limit)
                   abort ();
               }
-            *scan_p++ = ' ';
+	    if (!isspace (*scan_p))
+	      *scan_p = ' ';
+	    scan_p++;
             break;
 
           case '\\':			/* Handle line continuations.  */