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Wed, 14 Apr 2021 17:22:57 +0200 Received: from oxbe3.tb.ukmail.iss.as9143.net ([172.25.160.134]) by smtp1.tb.ukmail.iss.as9143.net with ESMTP id WhM0l561KKqweWhM1lQV0h; Wed, 14 Apr 2021 17:22:57 +0200 X-Env-Mailfrom: p.w.stephenson@ntlworld.com X-Env-Rcptto: zsh-workers@zsh.org X-SourceIP: 172.25.160.134 X-CNFS-Analysis: v=2.4 cv=IuR9zJzg c=1 sm=1 tr=0 ts=607708d1 cx=a_exe a=rX2mKgs1IZJU9lF6pltyEQ==:117 a=bfVmKkhS24AA:10 a=IkcTkHD0fZMA:10 a=FQ-N5ZJ50OcA:10 a=yGdjsu3_uQgT1yCE8TkA:9 a=QEXdDO2ut3YA:10 X-Authenticated-Sender: p.w.stephenson@ntlworld.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ntlworld.com; s=meg.feb2017; t=1618413777; bh=ppF8PN2xDuYaCem8Zyycwwua5Ai/tnI6gzUV2tQ1hhU=; h=Date:From:To:In-Reply-To:References:Subject; b=mGQFXtiRtveb2on+5XNhUGlIoSWh5mWvE92eQEgxDIC4W/wDRgaa+oq4O0j3LFOVW Hh/9H1ZDeKLzGIWaSFVoCOBzd0+ARakMJvyqIlsrF+bvgM3VcMxU//UZM7vFDSHbf9 TYElpyW0Pb3uPxo5n9XUHjP+PuDPCR9limEvY75TRkkmQtNHGuEqJhmKC4TQWiN2PB bUve14hpSJuO+5OnAxwN6nGZMwDZg1flXpMUb3+M4okO8P0fc/Wz/XTG4pWmPBM1sV BtPyDZK6lOI8An8L7t5qKTxciHwqULafvik8eCMqV1cClLfC8YHADGiAcLeypWiwzS d72q4Y+FVze5w== Date: Wed, 14 Apr 2021 16:22:56 +0100 (BST) From: Peter Stephenson To: Daniel Shahaf , zsh-workers@zsh.org Message-ID: <994269365.178120.1618413776846@mail2.virginmedia.com> In-Reply-To: <20210414150337.GA23748@tarpaulin.shahaf.local2> References: <20210414150337.GA23748@tarpaulin.shahaf.local2> Subject: Re: PM_TAGGED and PM_TAGGED_LOCAL being set simultaneously (functions -T -t f) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Priority: 3 Importance: Medium X-Mailer: Open-Xchange Mailer v7.8.4-Rev72 X-Originating-IP: 165.225.81.16 X-Originating-Client: open-xchange-appsuite X-CMAE-Envelope: MS4xfBM0kBWi8wqfXW8NRnzD6M3OWwpJ/EVkgBM8DfSaizBp1A5rLYNPkVT206NxCD9vzItZWLKfQt4YMrXDUDwo8CmgTSlZLRe81w0PzKGMSahFzHR8XpBv kOdTj9Gt8kWANY4g5jCw+wdBaULatvmEflCl6uriRfHDl5uSb0PlCMcnCHRN4lCLUxNcSRtO0Oj44QrR+1nCeyMiDmrbZXWRZ2WjY6rkoz93ZnpIXRcUlrXv 4p2q178sKwYaqd4rQI4YNg== X-Seq: 48575 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 14 April 2021 at 16:03 Daniel Shahaf wrote: > As y'all recall, =C2=ABfunctions -T=C2=BB and =C2=AB-t=C2=BB set the XTRA= CE option for calls > to the named function. >=20 > With that in mind, in the following code: >=20 > [[[ > f() g > g() : > functions -T f > functions -t f > f > ]]] >=20 > Should XTRACE be on or off when g is run? Or should an error be raised > before g is called? >=20 > And if -t were set first and -T second? The way the documentation is written: The flag -t turns on execution tracing for this function; the flag -T does the same, but turns off tracing for any named (not anonymous) function called from the present one, unless that func=E2=80= =90 tion also has the -t or -T flag. makes it sound as if turning off for called functions is more powerful beha= viour, in which case -T should always be used if specified. But it doesn't actual= ly *say* that and could be rewritten anyway, so it's not much of a steer. Hav= ing one flag cause another to be ignored is pretty standard behaviour and relat= ively straightforward to implement, though. pws