Artifact d5c3582936f7a1602043888cdfe3cbab49506b91:
proc c {} { puts stderr "*1 [info coroutine] - level:[info level] frame:[info frame] - [info frame -1]" yield puts stderr "*2 [info coroutine] - level:[info level] frame:[info frame] - [info frame -1]" } proc cc {} { coroutine C c } cc rename cc {} C