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([2a02:810d:a8bf:dc10::7141]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a6f56da328csm530567566b.12.2024.06.17.07.52.38 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Jun 2024 07:52:38 -0700 (PDT) To: NTG ConTeXt References: <87F32ADF-FCDA-49EB-8B7C-DD778CF61D38@ziggo.nl> <7771bf76-eff5-82e8-5e5f-a1af801b278f@gmail.com> <45BCE2B3-7B0E-4D7B-B164-BB610C5DF23F@ziggo.nl> From: Wolfgang Schuster Message-ID: <70c27b56-aeae-9f99-80db-94eb06fb0410@gmail.com> Date: Mon, 17 Jun 2024 16:52:36 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 PostboxApp/7.0.60 MIME-Version: 1.0 In-Reply-To: <45BCE2B3-7B0E-4D7B-B164-BB610C5DF23F@ziggo.nl> Content-Language: en-US Message-ID-Hash: CWM5SRMQ43TBSEJ4HDJKEK5U3R6GIWIT X-Message-ID-Hash: CWM5SRMQ43TBSEJ4HDJKEK5U3R6GIWIT X-MailFrom: wolfgang.schuster.lists@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list Reply-To: mailing list for ConTeXt users Subject: [NTG-context] Re: expanded doif's List-Id: mailing list for ConTeXt users Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Content-Type: text/plain; charset="us-ascii"; format="flowed" Content-Transfer-Encoding: 7bit Hans van der Meer schrieb am 17.06.2024 um 09:01: > I want to show an errormessage when the macro is undefined. It requires > expansion of \xmlatt{#1}{name}. > \ifdefined\xmlatt{#1}{name} didn't worked nor \expandafter\ifdefined > I thought of the expanding \doif's. > > See the attached output of this xmlsetup attached. > > \startxmlsetups hvdm:system:macrocall > % > \doifelsedefined{\xmlatt{#1}{name}} > { > % > %macro without argument > % > \ifxmlattempty{#1}{arg} > \begincsname\xmlatt{#1}{name}\endcsname > % > %macro with argument > % > \else > \begincsname\xmlatt{#1}{name}\endcsname{\xmlatt{#1}{arg}} > \fi > } > { > \ERROR{macro \xmlatt{#1}{name} is not defined} > } > \stopxmlsetups I have no idea what's wrong in your code without a proper minimal example. As the example below shows you can use \doifelsedefined in combination with \xmlatt. \startbuffer[ifdefined] \stopbuffer \startxmlsetups xml:document \xmlflush{#1} \stopxmlsetups \startxmlsetups xml:macro \doifelsedefined{\xmlatt{#1}{name}} {\texdefinition{\xmlatt{#1}{name}}{\xmlatt{#1}{arg}}} {{\tttf macro \tex{\xmlatt{#1}{name}} not defined}} % \ifcsname\xmlatt{#1}{name}\endcsname % \lastnamedcs{\xmlatt{#1}{arg}} % \else % % % \fi \stopxmlsetups \startxmlsetups xml:hvdm \xmlsetsetup{\xmldocument}{document|macro}{xml:*} \stopxmlsetups \xmlregistersetup{xml:hvdm} \starttext \xmlprocessbuffer{hvdm}{ifdefined}{} \stoptext Wolfgang ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / https://mailman.ntg.nl/mailman3/lists/ntg-context.ntg.nl webpage : https://www.pragma-ade.nl / https://context.aanhet.net (mirror) archive : https://github.com/contextgarden/context wiki : https://wiki.contextgarden.net ___________________________________________________________________________________