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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_3@439 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 5 insertions, 1 deletions

diff --git a/string.c b/string.c
index 4d7928ff40..43d603349c 100644
--- a/string.c
+++ b/string.c
@@ -1404,7 +1404,7 @@ rb_str_dump(str)
 	switch (c) {
 	  case '"':  case '\\':
 	  case '\n': case '\r':
-	  case '\t': case '\f':
+	  case '\t': case '\f': case '#':
 	  case '\013': case '\007': case '\033': 
 	    len += 2;
 	    break;
@@ -1432,6 +1432,10 @@ rb_str_dump(str)
 	    *q++ = '\\';
 	    *q++ = c;
 	}
+	else if (c == '#') {
+	    *q++ = '\\';
+	    *q++ = '#';
+	}
 	else if (ISPRINT(c)) {
 	    *q++ = c;
 	}