Yet Another Shell

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Yet another shell, version 2.26.

Internalization support has been started. So far, some messages have been translated into Japanese.

Yash 2.26

+ New option for the "return" built-in: -n (--no-return)
= Error messages have been revised.
= Shell option names have been generalized: Option names are now
case-insensitive. Non-alphanumeric characters are ignored in
option names. Options can be inverted by prefixing "no" to
their names.
= "case foo in (esac) bar; esac" is now rejected in the POSIXly
correct mode.
= The "-o noexec" option is now ignored in an interactive shell.
= New mail notification is now printed only when the mailbox file
is not empty.
= "printf %c ''" now prints nothing as "printf %c" do.
= In an invocation of the "complete" built-in with the -A or -R
option, the pattern is now matched against the last component of
the pathname when generating pathname candidates with the -f
option.
* Function names containing an '=' sign can now be specified as
arguments to the typeset and unset built-ins (with the -f
option).
* Fixed the exit status of iterative execution that was interrupted
by SIGINT.

Legend:
+: new feature
=: specification change
*: bug fix