- # Now run the command. The function returns 0 if exim was run and waited
- # for, 1 if any other command was run and waited for, and 2 if a command
+ # Now run the command. The function returns 0 for an inline command,
+ # 1 if a non-exim command was run and waited for, 2 if an exim
+ # command was run and waited for, and 3 if a command