doc/sod.tex: Include `longtable'.

We're going to need it.

diff --git a/doc/sod.tex b/doc/sod.tex
index cb381ad..17d8821 100644 (file)
--- a/doc/sod.tex
+++ b/doc/sod.tex
@@ -40,7 +40,7 @@
 \usetikzlibrary{positioning}
 \usepackage{syntax}
 \usepackage{sverb}
-\usepackage{mdwtab}
+\usepackage{longtable, mdwtab}
 \usepackage[mdwmargin, within=section]{mdwthm}
 \usepackage{amssymb}
 \usepackage{footnote}