doc/concepts.tex: Include diagram of standard method combination.

[sod] / doc / sod.tex

diff --git a/doc/sod.tex b/doc/sod.tex
index ca635bb..b2707f6 100644 (file)
--- a/doc/sod.tex
+++ b/doc/sod.tex
@@ -36,6 +36,8 @@
    totoc=true, font=small]
   {idxlayout}
 \usepackage{tikz}
+\usetikzlibrary{calc}
+\usetikzlibrary{positioning}
 \usepackage{syntax}
 \usepackage{sverb}
 \usepackage{mdwtab}