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Merge pull request #1 from JohnoKing/fix-builtin-delete

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`builtin -d` should not delete special builtins
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Martijn Dekker 2020-06-12 12:36:42 +01:00 • committed by GitHub
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@ -6,6 +6,10 @@ Any uppercase BUG_* names are modernish shell bug IDs.
2020-06-11:
- Fixed a bug that caused running 'builtin -d' on a special builtin to
delete it. The man page for the 'builtin' command documents that special
builtins cannot be deleted.
- POSIX compliance fix: It is now possible to set shell functions named
'alias' or 'unalias', overriding the commands by the same names. In
technical terms, they are now regular builtins, not special builtins.