fix fudge line
is() => is_deeply(). Corrections/unfudges, Deleted one invalid test.
resurrected a test. removed guff
RT #121306 unfudge tests about /a**{}/
Unfudge multidim sugar tests
Unfudge now passing tests, also for #77472
fix warnings
mark tests for RT #122414
tweaked/unfudged P49, P50
replace invalid autothreading ~~ with subset (<=)
Add a test for RT #122423
Test that file operations on directories fail

On some platforms the OS itself does not enforce this
add link to RT #122425, fudge for jvm
unfudged P46. Switched from p5 regex to grammars
is() => is_deeply + tweaks
added sprintf test cases for "%+.5f" "%.5f"
Add a couple of tests for RT #76096
Update tests for RT #122437
Add a couple of tests for RT 121990
Fudge for #122448