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Wed, 21 Apr 2021 17:36:54 -0400 (EDT) Received: by tarpaulin.shahaf.local2 (Postfix, from userid 1005) id 4FQYm42417z3Mt; Wed, 21 Apr 2021 21:36:52 +0000 (UTC) Date: Wed, 21 Apr 2021 21:36:52 +0000 From: Daniel Shahaf To: zsh-workers@zsh.org Subject: Re: [PATCH] TYPESET_TO_UNSET + misc. Message-ID: <20210421213652.GF21343@tarpaulin.shahaf.local2> References: <20210420220121.GE1035@tarpaulin.shahaf.local2> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-Seq: 48648 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: List-Subscribe: List-Unsubscribe: List-Post: List-Owner: List-Archive: Bart Schaefer wrote on Tue, Apr 20, 2021 at 17:06:10 -0700: > On Tue, Apr 20, 2021 at 3:01 PM Daniel Shahaf wrote: > > > > The typesettounset branch is also relevant; it has been merged into > > declarednull. > > Yes, but I committed to master branch by applying the patch, not by > git wrangling. Sure, but that pointer to that branch might still be useful to future archaeologists, who'll find this thread by following the X-Seq in the logs. > > Worth an entry in NEWS? > > Probably. Pardon any gmail line wrapping below. > > Is it worth attempting to explain that > > setopt no_typesettounset > source =( > setopt typesettounset > typeset something > typeset -p something > ) > > does NOT re-create "something" as an unset variable? I suppose this is somewhat implied by the fact that there's no «typeset» syntax to create an unset variable when no_typesettounset is in effect? > diff --git a/NEWS b/NEWS > index cf270ff51..ee97868f9 100644 > --- a/NEWS > +++ b/NEWS > @@ -35,6 +35,12 @@ widgets. This corresponds to long-standing > behavior of other user ZLE > widgets. Use the _complete_debug widget to capture XTRACE output, or > use "functions -T" to enable tracing of specific completion functions. > > +With the new TYPESET_TO_UNSET option set, "typeset foo" leaves foo unset, > +in contrast to the default behavior which assigns foo="". Any parameter > +attributes such as numeric type, sorting, and padding are retained until > +the parameter is explicitly unset or a conflicting value is assigned. > +This is similar to default behavior of bash and ksh. > + > Changes from 5.7.1-test-3 to 5.8 > -------------------------------- >