From 15285cbb46d05f3a0a70c4e8b3ec415115d94e07 Mon Sep 17 00:00:00 2001
From: Marek Kasik <mkasik@redhat.com>
Date: Mon, 22 Jun 2015 15:53:34 +0200
Subject: [PATCH] Save Unicode strings as hexadecimal strings

Save strings with Unicode marker as hexadecimal strings
when saving document.
---
 poppler/PDFDoc.cc | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index 71a1efe..d51a428 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -1070,15 +1070,11 @@ void PDFDoc::writeString (GooString* s, OutStream* outStr, Guchar *fileKey,
   if (s->hasUnicodeMarker()) {
     //unicode string don't necessary end with \0
     const char* c = s->getCString();
-    outStr->printf("(");
+    outStr->printf("<");
     for(int i=0; i<s->getLength(); i++) {
-      char unescaped = *(c+i)&0x000000ff;
-      //escape if needed
-      if (unescaped == '(' || unescaped == ')' || unescaped == '\\')
-        outStr->printf("%c", '\\');
-      outStr->printf("%c", unescaped);
+      outStr->printf("%02x", *(c+i)&0x000000ff);
     }
-    outStr->printf(") ");
+    outStr->printf("> ");
   } else {
     const char* c = s->getCString();
     outStr->printf("(");
-- 
2.4.3