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Tue, 20 Apr 2021 17:06:21 -0700 (PDT) MIME-Version: 1.0 References: <20210420220121.GE1035@tarpaulin.shahaf.local2> In-Reply-To: <20210420220121.GE1035@tarpaulin.shahaf.local2> From: Bart Schaefer Date: Tue, 20 Apr 2021 17:06:10 -0700 Message-ID: Subject: Re: [PATCH] TYPESET_TO_UNSET + misc. To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 48637 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: 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. > 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? 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 --------------------------------