o / should enable the user to search for something
o sort accounting "popup" list
o something (click on column head or press some key i.e. |col _row) should enable the user to filter for something
o using +/- in a field (i.e. date/time) should be used for increasing/decreasing a value
o using = should force a recalculation for a time field
o using ~ should round a time field to the next quarter (configurable)
o pressing # should pop up a calendar
o support 'i' as alternative to KEY_ENTER
o support 'A' as alternative to KEY_ENTER + cursor end
o support 'Z' as alternative to CTRL-Q (save and exit)
o support 'w' as alternative to TAB in movement mode
o support 'b' as alternative to SHIFT-TAB in movement mode
o using : should copy the value of the fied from the previous column (; row for consistency)
o ESC should really escape [ps]
o make breaks between days visible [ps]
