RETRY combines the functions provided by the EDIT and EXEC commands. When editing is complete, execution is automatic.
RETRY [<line number>] ;
Usage
RETRY is identical to EDIT with two exceptions: execution of the modified command is automatic after RETRY, and execution of the EDIT command is not suppressed during collect mode.
The documentation for EDIT in this manual describes the editor, its commands, and provides examples.
In Oxmetrics, Mac and DOS/Windows TSP, it is easier to re-execute a single command using the cursor keys.