Collective memory (was: Good code patterns in Python)

[Larry__Weiss]

Dennis Lee Bieber wrote:
> (we had an instructor at my College who punched a C in column 80 as a
> standard practice -- he could flip the card around to document changes
> -- it would be treated as a comment by the compiler, and a listing
> would show the text right-to-left)
> 

For some forms of job control you could create a card that had two
choices punched starting from each end of the card.   You could simply
flip the card to invert the selection.

I even remember once coding and using a text-editor macro to do something
similar with the current line of text.