Bug 733722 - XML Output invalid: XML_PROGRAMLISTING=YES copies Unicode form...

Bug 733722 - XML Output invalid: XML_PROGRAMLISTING=YES copies Unicode form feed character (U+000C) to XML files

src/util.cpp

@@ -5605,6 +5605,11 @@ QCString convertToXML(const char *s)
       case '&':  growBuf.addStr("&");  break;
       case '\'': growBuf.addStr("'"); break; 
       case '"':  growBuf.addStr("""); break;
+      case  1: case  2: case  3: case  4: case  5: case  6: case  7: case  8:
+      case 11: case 12: case 13: case 14: case 15: case 16: case 17: case 18:
+      case 19: case 20: case 21: case 22: case 23: case 24: case 25: case 26:
+      case 27: case 28: case 29: case 30: case 31:
+        break; // skip invalid XML characters (see http://www.w3.org/TR/2000/REC-xml-20001006#NT-Char)
       default:   growBuf.addChar(c);       break;
     }
   }

src/xmlgen.cpp

@@ -143,6 +143,11 @@ inline void writeXMLCodeString(FTextStream &t,const char *s, int &col)
       case '&':  t << "&amp;"; col++;  break;
       case '\'': t << "&apos;"; col++; break;
       case '"':  t << "&quot;"; col++; break;
+      case  1: case  2: case  3: case  4: case  5: case  6: case  7: case  8:
+      case 11: case 12: case 13: case 14: case 15: case 16: case 17: case 18:
+      case 19: case 20: case 21: case 22: case 23: case 24: case 25: case 26:
+      case 27: case 28: case 29: case 30: case 31:
+        break; // skip invalid XML characters (see http://www.w3.org/TR/2000/REC-xml-20001006#NT-Char)
       default:   s=writeUtf8Char(t,s-1); col++; break;
     }
   }