6c38071288
If double-quote state does not match, treat the '}' literally.
This ensures double-quote state remains the same before and after a
${v+-=?...} which helps with expand.c.
It makes things like
${foo+"\${bar}"}
which I have seen in the wild work as expected.
Exp-run done by: pav (with some other sh(1) changes)
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| .. | ||
| builtins | ||
| errors | ||
| execution | ||
| expansion | ||
| parameters | ||
| parser | ||
| set-e | ||
| Makefile | ||
| regress.sh | ||
| regress.t | ||