Kyle Lippincott <spectral@xxxxxxxxxx> writes: > I was also able to reproduce both aspects of this behavior (doesn't > export, value is retained) with ksh (sh (AT&T Research) 93u+m/1.0.8 > 2024-01-01), which is the current version on debian testing. So maybe > "some versions of ksh (tested: 93u+m/1.0.8 2024-01-01) and dash > (0.5.10.2-6)"? Or maybe we move the 'some versions' around, because I > think it's probably all versions of ksh :) Makes sense, but I think "POSIX guarantees that the behaviour is something you should not rely on by telling us that these are unspecified", which you found, is a much better rationale to explicitly forbid "VAR=VAL shell_func" construct. Besides, as another thread recently discussed, our test scripts, with really heavy uses of "local", do not work at all with AT&T ksh (other ksh clones are reported to be OK, though). So it may be OK to write it off as "unusuable to run our tests", at least for now.
