add 'horizontal-side-conditions-same-line style to rule-pict-style
framework: fix meta keybindings setup

Don't add "~c:" to a keybinding that has "c:".
fix a test
fix `path->relative-string/setup'

Need to make `path->relative-string/setup/pkg' have a better name
and be more accessible, though --- possibly replacing
`path->relative-string/setup'.
more test repairs