Make A5 PDF book, and document how to set the size.

diff --git a/Makefile b/Makefile
index 668d1a2f40c0b86a5df500443e9fbb12660c330e..f605e4f9f876216372bd191b38bc97ec5ec9d179 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,11 @@
 url = http://www.sslug.dk/~chlor/lessig/freeculture.sgml.2004-04-01.gz
 
 # PDF rule
+# Valid book options are a4paper, a5paper, b5paper, letterpaper,
+# legalpaper, landscape, 11pt, 12pt, oneside, twocolumn, notitlepage,
+# titlepage, openany, draft, fleqn, leqno
 DBLATEX = dblatex \
+       -P latex.class.options=a4paper,twocolumn \
        -T db2latex \
        --backend=xetex \
        --xsl-user=data/user_param.xsl \