disallow Discard button on system profiles
space between widgets on main SF window
enable accel (F2) on Try buttons of SFAD and SFRK
rk1968: op_get_signal_envelope opcode
rk1968: report script runtime error, too
ensure lua stack is large enough before invoking script
literate programming in basic_score.lua
basic_score.lua: fix page arg in call to put_score
trivially use size_t for vector index
correctly determine min/max in sigproc::envelope
obscure fixes in sigproc::interpolate, envelope
report lua errors to applog
clean up lua stack after calls to script
rk1968: op_get_signal_envelope: forgot to increment loop counter, such a shame
rk1968: new opcode op_get_page_dirty
fix, update basic_score.lua
update man/aghermann.1.in
rk1968: mind reentrancy running lua scripts; avoid longjmp.
thank you valgrind
enable global score operation