Re: [PATCH] options: don't error when unsetting OPTIND

[Steffen Nurpmeso <steffen@xxxxxxxxxx>]

Michael Greenberg wrote in
 <m2edt2nk5q.fsf@greenberg.science>:
 ...
 |Bafflingly, the POSIX spec gives the example `readonly HOME PWD`, but
 |with no explanation about why one might want to do that. (I get making
 |`HOME` readonly, but `PWD`? Is that supposed to stop `cd` from working?)

PWD is a beast with lots of "behaviors of the cd and pwd utilities
are unspecified" in case of user edits, see "2.5.3 Shell Variables".

--steffen
|
|Der Kragenbaer,                The moon bear,
|der holt sich munter           he cheerfully and one by one
|einen nach dem anderen runter  wa.ks himself off
|(By Robert Gernhardt)