From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/94023 Path: news.gmane.org!not-for-mail From: luigi scarso Newsgroups: gmane.comp.tex.context Subject: Re: How to avoid overriding a control sequence? Date: Mon, 7 Mar 2016 19:47:20 +0100 Message-ID: References: Reply-To: mailing list for ConTeXt users NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5165236959912236448==" X-Trace: ger.gmane.org 1457376483 31898 80.91.229.3 (7 Mar 2016 18:48:03 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 7 Mar 2016 18:48:03 +0000 (UTC) To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Mon Mar 07 19:47:50 2016 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane.org Original-Received: from zapf.boekplan.nl ([5.39.185.232] helo=zapf.ntg.nl) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1ad0C3-0002k1-O7 for gctc-ntg-context-518@m.gmane.org; Mon, 07 Mar 2016 19:47:47 +0100 Original-Received: from localhost (localhost [127.0.0.1]) by zapf.ntg.nl (Postfix) with ESMTP id 833717C6C; Mon, 7 Mar 2016 19:47:32 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at zapf.boekplan.nl Original-Received: from zapf.ntg.nl ([127.0.0.1]) by localhost (zapf.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4hWn5zChhiW4; Mon, 7 Mar 2016 19:47:31 +0100 (CET) Original-Received: from zapf.ntg.nl (localhost [IPv6:::1]) by zapf.ntg.nl (Postfix) with ESMTP id CD93D7C71; Mon, 7 Mar 2016 19:47:31 +0100 (CET) Original-Received: from localhost (localhost [127.0.0.1]) by zapf.ntg.nl (Postfix) with ESMTP id 698017C6D for ; Mon, 7 Mar 2016 19:47:31 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at zapf.boekplan.nl Original-Received: from zapf.ntg.nl ([127.0.0.1]) by localhost (zapf.ntg.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vSP0s4aVGAZM for ; Mon, 7 Mar 2016 19:47:30 +0100 (CET) Original-Received: from mail-lb0-f174.google.com (mail-lb0-f174.google.com [209.85.217.174]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by zapf.ntg.nl (Postfix) with ESMTPS id D5BD77C6C for ; Mon, 7 Mar 2016 19:47:20 +0100 (CET) Original-Received: by mail-lb0-f174.google.com with SMTP id x1so141409880lbj.3 for ; Mon, 07 Mar 2016 10:47:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to; bh=soDDaLKL/MFGXTYYZkdKFB6+uesFWX9hg2sQAcdLR5c=; b=LGdGs0kfRD90BHmHnDp7QZpyQ5UxBqru4vOF3RJ3lelvMeN5JOyF9yg9tfqzuXKEpS KPww4KFejaXpbNvRRltX/hFaahMMPj/Olmoh3oQmMM3CUFOyCRk0o3kR7C2pn0XyYAij AZwDN4G32Afyt3cCwLQCn3KSw5Wv7Ugr6mD4j6M5u5qky5REuyqgyIBXipruzuacnO0b vELNAnfMk9R4Z/Gcd59gBSVsKVs/dM3firY5ah6vX6S7wtrRCCwtuB7B/CBA0kSQpTs+ o4v2Mh6sO5qDW/0LjtTbhR5RObYOkYLbU6tgWpG/0gjqY7Z1cOnyB/CdpUkO3eBEXG7X 3XZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to; bh=soDDaLKL/MFGXTYYZkdKFB6+uesFWX9hg2sQAcdLR5c=; b=AmerTLmQESuUTjQZR7RtMW+rlARxaJDyLRHTtalps1nM1KifuzqFcbFU5COLYZjfgs 7/oYR6bXyJ7CPsJ8iS8nbnCRJ4fC1cnLAOus3vtSi+IcGobF59gcEEHbRMjf7us22YzQ 6jifXnRSiEJEMn6j9fDWfqVYN4qmnJ2+YsVgianKY/sWBs9FwDue3Th9BbacueezRUky N6V8m6G3teTiwIquMuMyaTY4x1HkRV6xgovxcY5JyNq/1ECwbHSyqva9iuC1iau0qPLK SqljzxtpCVJn1drtEPiuy0BJxI43l7EHBDMglbZA8xmaOVuoRlZlkzrhBbPpkreAj2QA Sozw== X-Gm-Message-State: AD7BkJIFymf78VL/DHMnBARx5WWXmt3jTIwcpgXlDYRkxwaAX4X7/zjINYE99LUrCxVIDI7h3preNkwZd/2gKQ== X-Received: by 10.25.31.80 with SMTP id f77mr6727279lff.18.1457376440062; Mon, 07 Mar 2016 10:47:20 -0800 (PST) Original-Received: by 10.112.221.161 with HTTP; Mon, 7 Mar 2016 10:47:20 -0800 (PST) In-Reply-To: X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.16 Precedence: list List-Id: mailing list for ConTeXt users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ntg-context-bounces@ntg.nl Original-Sender: "ntg-context" Xref: news.gmane.org gmane.comp.tex.context:94023 Archived-At: --===============5165236959912236448== Content-Type: multipart/alternative; boundary=001a11402208039881052d79e567 --001a11402208039881052d79e567 Content-Type: text/plain; charset=UTF-8 On Mon, Mar 7, 2016 at 7:40 PM, Nicola wrote: > How do I check in ConTeXt whether a control sequence is already > defined (to avoid redefining it by accident)? > > kind of \ifdefined\writebanner \else \unexpanded\def\writebanner{\writestring} \fi ? -- luigi --001a11402208039881052d79e567 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable --001a11402208039881052d79e567-- --===============5165236959912236448== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Content-Disposition: inline X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSWYgeW91ciBxdWVzdGlvbiBpcyBvZiBpbnRlcmVz dCB0byBvdGhlcnMgYXMgd2VsbCwgcGxlYXNlIGFkZCBhbiBlbnRyeSB0byB0aGUgV2lraSEKCm1h aWxsaXN0IDogbnRnLWNvbnRleHRAbnRnLm5sIC8gaHR0cDovL3d3dy5udGcubmwvbWFpbG1hbi9s aXN0aW5mby9udGctY29udGV4dAp3ZWJwYWdlICA6IGh0dHA6Ly93d3cucHJhZ21hLWFkZS5ubCAv IGh0dHA6Ly90ZXguYWFuaGV0Lm5ldAphcmNoaXZlICA6IGh0dHA6Ly9mb3VuZHJ5LnN1cGVsZWMu ZnIvcHJvamVjdHMvY29udGV4dHJldi8Kd2lraSAgICAgOiBodHRwOi8vY29udGV4dGdhcmRlbi5u ZXQKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18= --===============5165236959912236448==--