[Info-vax] Unix and DCL shells

[Lawrence D'Oliveiro]

On 10 Jan 2024 22:30:13 GMT, Bob Eager wrote:

> (I taught compiler theory and practice for many years!)

Cool! Have you heard of these new-fangled “PEG” things? Python is using 
one for its parser now.

Perhaps they could be used for more powerful pattern-matching purposes 
than REs. Or maybe they will simply introduce their own pitfalls, if not 
used with care, like undecidability and endless loops.