Semiquine (a program that only outputs its code, but never halts); prefixquine (program that outputs its code, but something after that). Trivial other versions are postfixquine, substringquine, prefixsemiquine.
@niplav infixquine: retroviruses, relative to a [reverse-transcriptase→integrase→DNA-transcription]-interpreter.
a Schelling point for those who seek one
@niplav infixquine: retroviruses, relative to a [reverse-transcriptase→integrase→DNA-transcription]-interpreter.