origedit

Results 3 issues of origedit

1. set tabs to be bigger than 1 space 2. write some code 3. enter an indented line 4. jump up or down from it to a differetly indented line...

the built-in Scheme interpreter successfully runs `cond` and `unless`, but the editor doesn't highlight them as keywords, like it does with `if`, which is less important than `cond`.