#!/bin/sh
+# Remove directories which are known to be generated for output only.
+rm -rf html/
+
+# Remove files whose suffixes indicate that they're generated (e.g.
+# HTML or PostScript) not source (DocBook/SGML, build scripts, etc.).
find . \( \
-name '*.htm' -o \
-name '*.html' \) -print | xargs rm -f