From: Bart Schaefer <schaefer@brasslantern.com>
To: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: [PATCH] TYPESET_TO_UNSET + misc.
Date: Tue, 20 Apr 2021 17:06:10 -0700 [thread overview]
Message-ID: <CAH+w=7aN4ZvT2pyPdoUN1GgTsSwsathLBVVq0N8fB9bb=d9Lng@mail.gmail.com> (raw)
In-Reply-To: <20210420220121.GE1035@tarpaulin.shahaf.local2>
On Tue, Apr 20, 2021 at 3:01 PM Daniel Shahaf <d.s@daniel.shahaf.name> 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
--------------------------------
next prev parent reply other threads:[~2021-04-21 0:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-14 5:52 Bart Schaefer
2021-04-16 6:44 ` Stephane Chazelas
2021-04-16 6:53 ` Stephane Chazelas
2021-04-18 21:03 ` Bart Schaefer
2021-04-20 22:01 ` Daniel Shahaf
2021-04-21 0:06 ` Bart Schaefer [this message]
2021-04-21 21:36 ` Daniel Shahaf
2021-04-21 22:07 ` Bart Schaefer
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