Add "Extensions for Networking" to PDF title

Author: jwakely

src/ts.tex

@@ -31,8 +31,8 @@
 \usepackage[T1]{fontenc}
 \usepackage[pdftex, final]{graphicx}
 \usepackage[pdftex,
-            pdftitle={C++ Technical Specification},
-            pdfsubject={C++ Technical Specification},
+            pdftitle={C++ Technical Specification --- Extensions for Networking},
+            pdfsubject={C++ Technical Specification --- Extensions for Networking},
             pdfcreator={Jonathan Wakely},
             bookmarks=true,
             bookmarksnumbered=true,