diff --git a/doxygen-percent_sign.patch b/doxygen-percent_sign.patch
new file mode 100644
index 0000000..7f9b071
--- /dev/null
+++ b/doxygen-percent_sign.patch
@@ -0,0 +1,187 @@
+diff --git a/src/docbookvisitor.cpp b/src/docbookvisitor.cpp
+index c748162..526ed49 100644
+--- a/src/docbookvisitor.cpp
++++ b/src/docbookvisitor.cpp
+@@ -81,7 +81,7 @@ void DocbookDocVisitor::visit(DocSymbol *s)
+   }
+   else
+   {
+-    err("DocBook: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol()));
++    err("DocBook: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol(),TRUE));
+   }
+ }
+ 
+diff --git a/src/htmldocvisitor.cpp b/src/htmldocvisitor.cpp
+index 647007b..f6878b9 100644
+--- a/src/htmldocvisitor.cpp
++++ b/src/htmldocvisitor.cpp
+@@ -190,7 +190,7 @@ void HtmlDocVisitor::visit(DocSymbol *s)
+   }
+   else
+   {
+-    err("HTML: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol()));
++    err("HTML: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol(),TRUE));
+   }
+ }
+ 
+diff --git a/src/htmlentity.cpp b/src/htmlentity.cpp
+index 7f07b57..c7ff1da 100644
+--- a/src/htmlentity.cpp
++++ b/src/htmlentity.cpp
+@@ -354,23 +354,41 @@ void HtmlEntityMapper::deleteInstance()
+ /*! @brief Access routine to the UTF8 code of the HTML entity
+  *
+  * @param symb Code of the requested HTML entity
++ * @param useInPrintf If TRUE the result will be escaped such that it can be
++ *                    used in a printf string pattern
+  * @return the UTF8 code of the HTML entity,
+  *         in case the UTF code is unknown \c NULL is returned.
+  */
+-const char *HtmlEntityMapper::utf8(DocSymbol::SymType symb) const
++const char *HtmlEntityMapper::utf8(DocSymbol::SymType symb,bool useInPrintf) const
+ {
+-  return g_htmlEntities[symb].UTF8;
++  if (useInPrintf && symb==DocSymbol::Sym_Percent)
++  {
++    return "%%"; // escape for printf
++  }
++  else
++  {
++    return g_htmlEntities[symb].UTF8;
++  }
+ }
+ 
+ /*! @brief Access routine to the html code of the HTML entity
+  *
+- * @param symb Code of the requested HTML entity
+- * @return the html of the HTML entity,
++ * @param symb        Code of the requested HTML entity
++ * @param useInPrintf If TRUE the result will be escaped such that it can be
++ *                    used in a printf string pattern
++ * @return the html representation of the HTML entity,
+  *         in case the html code is unknown \c NULL is returned.
+  */
+-const char *HtmlEntityMapper::html(DocSymbol::SymType symb) const
++const char *HtmlEntityMapper::html(DocSymbol::SymType symb,bool useInPrintf) const
+ {
+-  return g_htmlEntities[symb].html;
++  if (useInPrintf && symb==DocSymbol::Sym_Percent)
++  {
++    return "%%"; // escape for printf
++  }
++  else
++  {
++    return g_htmlEntities[symb].html;
++  }
+ }
+ 
+ /*! @brief Access routine to the XML code of the HTML entity
+diff --git a/src/htmlentity.h b/src/htmlentity.h
+index b92eb1d..9cebeb3 100644
+--- a/src/htmlentity.h
++++ b/src/htmlentity.h
+@@ -27,8 +27,8 @@ class HtmlEntityMapper
+     static HtmlEntityMapper *instance();
+     static void deleteInstance();
+     DocSymbol::SymType name2sym(const QCString &symName) const;
+-    const char *utf8(DocSymbol::SymType symb) const;
+-    const char *html(DocSymbol::SymType symb) const;
++    const char *utf8(DocSymbol::SymType symb,bool useInPrintf=FALSE) const;
++    const char *html(DocSymbol::SymType symb,bool useInPrintf=FALSE) const;
+     const char *xml(DocSymbol::SymType symb) const;
+     const char *docbook(DocSymbol::SymType symb) const;
+     const char *latex(DocSymbol::SymType symb) const;
+diff --git a/src/latexdocvisitor.cpp b/src/latexdocvisitor.cpp
+index c2c884b..aefcac3 100644
+--- a/src/latexdocvisitor.cpp
++++ b/src/latexdocvisitor.cpp
+@@ -154,7 +154,7 @@ void LatexDocVisitor::visit(DocSymbol *s)
+   }
+   else
+   {
+-    err("LaTeX: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol()));
++    err("LaTeX: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol(),TRUE));
+   }
+ }
+ 
+diff --git a/src/perlmodgen.cpp b/src/perlmodgen.cpp
+index 276313c..7fa0153 100644
+--- a/src/perlmodgen.cpp
++++ b/src/perlmodgen.cpp
+@@ -606,7 +606,7 @@ void PerlModDocVisitor::visit(DocSymbol *sy)
+   }
+   else
+   {
+-    err("perl: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(sy->symbol()));
++    err("perl: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(sy->symbol(),TRUE));
+   }
+ }
+ 
+diff --git a/src/printdocvisitor.h b/src/printdocvisitor.h
+index 7a077e9..ee4104e 100644
+--- a/src/printdocvisitor.h
++++ b/src/printdocvisitor.h
+@@ -57,21 +57,14 @@ class PrintDocVisitor : public DocVisitor
+     void visit(DocSymbol *s)
+     {
+       indent_leaf();
+-      const char *res = HtmlEntityMapper::instance()->utf8(s->symbol());
++      const char *res = HtmlEntityMapper::instance()->utf8(s->symbol(),TRUE);
+       if (res)
+       {
+-        if (qstrcmp(res,"%")==0)
+-        {
+-          printf("%%");
+-        }
+-        else
+-        {
+-          printf("%s",res);
+-        }
++        printf("%s",res);
+       }
+       else
+       {
+-        printf("print: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol()));
++        printf("print: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol(),TRUE));
+       }
+     }
+     void visit(DocURL *u)
+diff --git a/src/rtfdocvisitor.cpp b/src/rtfdocvisitor.cpp
+index 2b60d5b..05c8247 100644
+--- a/src/rtfdocvisitor.cpp
++++ b/src/rtfdocvisitor.cpp
+@@ -129,7 +129,7 @@ void RTFDocVisitor::visit(DocSymbol *s)
+   }
+   else
+   {
+-    err("RTF: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol()));
++    err("RTF: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol(),TRUE));
+   }
+   m_lastIsPara=FALSE;
+ }
+diff --git a/src/textdocvisitor.cpp b/src/textdocvisitor.cpp
+index a313b0a..6f3151f 100644
+--- a/src/textdocvisitor.cpp
++++ b/src/textdocvisitor.cpp
+@@ -33,7 +33,7 @@ void TextDocVisitor::visit(DocSymbol *s)
+   }
+   else
+   {
+-    err("text: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol()));
++    err("text: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol(),TRUE));
+   }
+ }
+ 
+diff --git a/src/xmldocvisitor.cpp b/src/xmldocvisitor.cpp
+index 27c8bb9..b906fc1 100644
+--- a/src/xmldocvisitor.cpp
++++ b/src/xmldocvisitor.cpp
+@@ -78,7 +78,7 @@ void XmlDocVisitor::visit(DocSymbol *s)
+   }
+   else
+   {
+-    err("XML: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol()));
++    err("XML: non supported HTML-entity found: %s\n",HtmlEntityMapper::instance()->html(s->symbol(),TRUE));
+   }
+ }
+ 
diff --git a/doxygen.spec b/doxygen.spec
index 884daee..a6555a0 100644
--- a/doxygen.spec
+++ b/doxygen.spec
@@ -2,7 +2,7 @@ Summary: A documentation system for C/C++
 Name:    doxygen
 Epoch:   1
 Version: 1.8.11
-Release: 2%{?dist}
+Release: 3%{?dist}
 
 # No version is specified.
 License: GPL+
@@ -13,6 +13,7 @@ Source1: doxywizard.png
 Source2: doxywizard.desktop
 
 # upstream fixes
+Patch1: doxygen-percent_sign.patch
 
 BuildRequires: perl
 BuildRequires: tex(dvips)
@@ -63,6 +64,7 @@ Requires: texlive-epstopdf-bin
 
 %prep
 %setup -q
+%patch1 -p1 -R
 
 # convert into utf-8
 iconv --from=ISO-8859-1 --to=UTF-8 LANGUAGE.HOWTO > LANGUAGE.HOWTO.new
@@ -118,6 +120,9 @@ desktop-file-install \
 
 
 %changelog
+* Mon Feb 22 2016 Than Ngo <than@redhat.com> - 1:1.8.11-3
+- fix bz#1305739, Unescaped percent sign in doxygen
+
 * Wed Feb 03 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1:1.8.11-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild