plan9: copy/cut/paste through snarf buffer
plan9: better info drawing, handle ` to enter/leave sliding mode
plan9: minimize frame time deviations, also display it in microseconds
plan9: bound checks for fieldset and selmove
plan9: sliding mode
plan9: handle space differently depending on insert/append mode
plan9: load/save and display the filename
plan9: fix timing, fast bpm changing, handle more keys
plan9: fix field resizing by copying to a separate buffer and back
plan9: add >, < and esc handling
plan9: more info on the screen, more keys supported
plan9: field resizing, loading files, rudimentary editing
add Nix expression for Orca installation
plan9: make it play stuff through dmid+opl3 (still need proper timings and notes off)
fixes I to work with capitals
Merge pull request #56 from cmaughan/hotfixes/variable-input
Remove duplicated field load error strings
Update README.md
Fix naming mixup in oso.c for osocatprintf/osoputprintf
Fix MIDI clock menu not showing prefs save error
Update readme with newer menu and controls guide
Change to split highlighting prediction based on is_playing
Fix unbound env variable error in tool script
Add protection against $CC=*mingw32*.exe on cygwin
Fix GCC -Wconversion warning in newer GCC versions
Shrink definition of brackpaste sequence getch/ungetch
Add tilde expansion for the open file dialog
Update README.md
Add protection against successfully loading a 0x0 file
Fix conf error messages to not have orca in their name
Cleanup conf naming prefix requirement
Factor out hard-coded conf file name
Cleanup opt/arg handling and error reporting
Remove old 'margins' cmdline arg opt
Fix auto-play causing 'new file' message to disappear
Add missing '?' for valid glyph check
Change to use LUT for glyph->number in VM
Move midi_mode storage out of Tui and into Ged
Fix incorrect conf loading value for MIDI clock
Change default conf for MIDI beat clock to disabled
Add MIDI beat clock output, with conf and menu toggles
Remove source text redundancy for deadline timer comparisons
Clean up control flow for grid initialization