I would suggest looking at IBM APL2 and just do what they do. --blake
On Thu, Mar 12, 2020 at 9:42 AM Hans-Peter Sorge < hanspeterso...@netscape.net> wrote: > Hi, > > There are two inconsistencies (and slightly annoying) when editing: > > 1 - is a small inconsistency when deleting lines in editor mode. > > ∇X[⎕] > [0] X > [1] a > [2] b > [3] c > [4] d > [5] e > [6] f > ∇ > [7] [∆1-3] the editor only deletes lines 1 and 2 > [6] [⎕] > ∇ > [0] X > [3] c > [4] d > [5] e > [6] f > ∇ > [7] [∆4-7] but the editor complains, if I want to delete the last line > ∇-command failed: Bad line number N in [M∆N] > [7] [∆4-6] again last line is being excluded from delete > [6] [⎕] > ∇ > [0] X > [3] c > [6] f > ∇ > [7] [∆6] need to delete last line in an additional step. > [7] [⎕] > ∇ > [0] X > [3] c > ∇ > > Expected: delete lines x to y including line y in [∆x-y] > > > 2 - moving cursor to previous line(s) skips most recent entry > > enter: > 123 > 123 > 456 > 456 > > cursor up - display entry line 456 > cursor up - display entry line 123 > cursor down - display entry line 123 > cursor down - display current entry line > cursor up - display line 123 - should be line 456 > > In general: > after ENTER, the cursor moves one line up > after a CURSOR move up/down, the cursor moves two lines up. > This is also true during function editing. > > Expected: cursor move should be line by line. > > Best Regards, > Hans-Peter >
