Macro command syntax
![Read syntax diagram](./c.gif)
.-ON-. .-STD-----------.
>>-ISREDIT--TABS--+-+----+--+---------------+-+----------------><
| +-ALL-----------+ |
| '-tab_character-' |
'-OFF-----------------------'
Assignment statement syntax
![Read syntax diagram](./c.gif)
>>-ISREDIT--(var1,var2)--=--TABS-------------------------------><
![Read syntax diagram](./c.gif)
.-ON-. .-STD-----------.
>>-ISREDIT--TABS-- = --+-+----+--+---------------+-+-----------><
| +-ALL-----------+ |
| '-tab_character-' |
'-OFF-----------------------'
Return codes
- 0
- Normal completion.
- 20
- Severe error.