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Fri, 01 Mar 2024 15:29:09 -0800 (PST) MIME-Version: 1.0 References: <40726-1676098925.110777@U2kb.d0Pd.I9ml> <20240211070042.4j37hkgjjn3dfjqd@chazelas.org> <20240220210553.g6imt3op6zahz4pa@chazelas.org> <20240221201215.anpjcfav6na55gg6@chazelas.org> <20240301182238.tpyajwblbam5bxw7@chazelas.org> In-Reply-To: <20240301182238.tpyajwblbam5bxw7@chazelas.org> From: Bart Schaefer Date: Fri, 1 Mar 2024 15:28:58 -0800 Message-ID: Subject: Re: Up-scope named references, vs. ksh To: Zsh hackers list Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Seq: 52645 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 Fri, Mar 1, 2024 at 10:22=E2=80=AFAM Stephane Chazelas wrote: > > $ ./Src/zsh -c 'f() { typeset -n ref=3D$1; unset ref; local var=3D2; ref= =3D3; }; typeset -A var; f var; echo $var' > That's an actual bug, regardless of the rest of this discussion. diff --git a/Src/builtin.c b/Src/builtin.c index 44dfed651..83144677b 100644 --- a/Src/builtin.c +++ b/Src/builtin.c @@ -3932,8 +3932,14 @@ bin_unset(char *name, char **argv, Options ops, int = func) } } else { if (!OPT_ISSET(ops,'n')) { + int ref =3D (pm->node.flags & PM_NAMEREF); if (!(pm =3D (Param)resolve_nameref(pm, NULL))) continue; + if (ref && pm->level < locallevel) { + /* Just mark unset, do not remove from table */ + pm->node.flags |=3D PM_DECLARED|PM_UNSET; + continue; + } } if (unsetparam_pm(pm, 0, 1)) returnval =3D 1;