- * egcs-1.1.2-12c (stock LinuxPPC R5) has a serious bug, upgrade to
- fixed in egcs-1.1.2-12f or gcc-2.95-0a,
- `ftp://dev.linuxppc.org/users/fsirl/R5/RPMS/ppc/'
+ make test-baseline
+ _## apply your changes, compile_
+ make check
+
+ This will leave an HTML page `out/test-results/index.html'. This
+page shows all the important differences that your change introduced,
+whether in the layout, MIDI, performance or error reporting.
+
+ To rerun tests, use
+
+ make test-redo _## redo files differing from baseline_
+ make test-clean _## remove all test results_
+
+and then run `make check' again.
+
+ For tracking memory usage as part of this test, you will need GUILE
+CVS; especially the following patch:
+`http://lilypond.org/vc/gub.darcs/patches/guile-1.9-gcstats.patch'.
+
+ For checking the coverage of the test suite, do the following
+
+ ./scripts/auxiliar/build-coverage.sh
+ _# uncovered files, least covered first_
+ ./scripts/auxiliar/coverage.py --summary out-cov/*.cc
+ _# consecutive uncovered lines, longest first_
+ ./scripts/auxiliar/coverage.py --uncovered out-cov/*.cc
+
+Problems
+--------