Added pdfpagelabels option

thinking-forth.tex

@@ -19,7 +19,7 @@
 \usepackage{fancyvrb}
 %\usepackage[0.21]{listings}
 \usepackage{longtable}
-\usepackage[colorlinks=true,linkcolor=\linkcolor,citecolor=\linkcolor,urlcolor=\linkcolor]{hyperref}
+\usepackage[pdfpagelabels,colorlinks=true,linkcolor=\linkcolor,citecolor=\linkcolor,urlcolor=\linkcolor]{hyperref}
 \usepackage{geometry}
 \usepackage{mdwlist}
 \usepackage{makeidx}