+You can then see the generated document for the section at
+
+@example
+tempdocs/pitches/out/pitches.html
+@end example
+
+According to
+@uref{http://code.google.com/p/lilypond/issues/detail?id=1236,Lilypond issue 1236},
+the location of the lilypond git tree is taken from @code{$LILYPOND_GIT}
+if specified, otherwise it is auto-detected.
+
+It is assumed that compilation takes place in the @file{build/}
+subdirectory, but this can be overridden by setting the environment
+variable @code{LILYPOND_BUILD_DIR}.
+
+Similarly, output defaults to @file{build/tempdocs/} but this can be
+overridden by setting the environment variable
+@code{LILYPOND_TEMPDOCS}.
+