From mboxrd@z Thu Jan 1 00:00:00 1970 X-Msuck: nntp://news.gmane.io/gmane.comp.tex.context/112363 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Benjamin Buchmuller via ntg-context Newsgroups: gmane.comp.tex.context Subject: Re: How to check if buffer or block has content Date: Mon, 2 Aug 2021 20:54:58 +0200 Message-ID: References: Reply-To: mailing list for ConTeXt users Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="20478"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Benjamin Buchmuller To: mailing list for ConTeXt users Original-X-From: ntg-context-bounces@ntg.nl Mon Aug 02 20:55:37 2021 Return-path: Envelope-to: gctc-ntg-context-518@m.gmane-mx.org Original-Received: from zapf.boekplan.nl ([5.39.185.232] helo=zapf.ntg.nl) by ciao.gmane.io with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1mAd67-00056D-Vn for gctc-ntg-context-518@m.gmane-mx.org; Mon, 02 Aug 2021 20:55:36 +0200 Original-Received: from localhost (localhost [127.0.0.1]) by zapf.ntg.nl (Postfix) with ESMTP id 53B892861E9; Mon, 2 Aug 2021 20:55:05 +0200 (CEST) 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 IkgCKsa_Cu8R; Mon, 2 Aug 2021 20:55:03 +0200 (CEST) Original-Received: from zapf.ntg.nl (localhost [127.0.0.1]) by zapf.ntg.nl (Postfix) with ESMTP id 7EE682861ED; Mon, 2 Aug 2021 20:55:03 +0200 (CEST) Original-Received: from localhost (localhost [127.0.0.1]) by zapf.ntg.nl (Postfix) with ESMTP id 626CA2861EC for ; Mon, 2 Aug 2021 20:55:01 +0200 (CEST) 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 jCtXzRuisHgn for ; Mon, 2 Aug 2021 20:55:00 +0200 (CEST) Received-SPF: Pass (mailfrom) identity=mailfrom; client-ip=209.85.221.44; helo=mail-wr1-f44.google.com; envelope-from=benjamin.buchmuller@gmail.com; receiver= Original-Received: from mail-wr1-f44.google.com (mail-wr1-f44.google.com [209.85.221.44]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits)) (No client certificate requested) by zapf.ntg.nl (Postfix) with ESMTPS id 3EA9D2861E9 for ; Mon, 2 Aug 2021 20:55:00 +0200 (CEST) Original-Received: by mail-wr1-f44.google.com with SMTP id h13so9134759wrp.1 for ; Mon, 02 Aug 2021 11:55:00 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:content-transfer-encoding:mime-version:subject:date:references :to:in-reply-to:message-id; bh=GA7Z+nSTMZAKqp6gp/hxtEcKILwsJ3oOz0omXCotLdo=; b=NoRjMRtvwJiWpzgxXNKzmggjlO7pByLbGuijIbvvp8A0luWqh5ozx/3cIxEdTdka3K sTQ9sFi6uqy4V41Q56Uh/fVm8DtHU1l9TohniWYlXPz8pYutbx081ATpxHeaUKa9qkyc 6gpad17lYRH6FMUjlPk/OTjNEvUB15eu03IsuUNyuqlJ8fE/gzE+JTtLGgc7grSWg1Bk 8aa3b1VNkpWzMS8s5OIJu3HgznkvuGf+esxuNXIMNMEZswoTF++yTFygGVsOMD+aIQId aYEfav8/ZkNcZIa/iq5vXsx6WG1/CDzfmoMihqI0mkKoCBihVxxn1LGilFEl95HkC6IK HAqQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:content-transfer-encoding:mime-version :subject:date:references:to:in-reply-to:message-id; bh=GA7Z+nSTMZAKqp6gp/hxtEcKILwsJ3oOz0omXCotLdo=; b=Bm7kF+KjXqxnTmHXFwiVDgEgGSY4E88wzjHXrHJOBvfRklcVQ33C9QcpWBfbqcllJ/ lDrtckRxpcp6JjKEiQ2E3C3d3aBiNgvLS7gDqowEOtAhuefpN+aaTXYdXe0qKa9hS5NJ V0/6Y72xmwedSQCkRsK7H6LcQxCvFhYF3OuHiaHhdPFb3y1PKDxdShZnHFCJjXdXWAQR OZY+6jsrI8i5k52dXBs0Tn2mQk9UfohLp8vZ6R9NADe4iuMF2wEziIBUhK1JNJVDSQRe hSlRmkUsp8Su1ypRCxIJsym42TQBLrM4S8pmNhime0cOdeIzcii+B2DtsiHjPuZaeIko opnQ== X-Gm-Message-State: AOAM531YZNeX1X7k4AQ8jFmZy8Kp8uuGAyol27mZvc+aAePsqKKcKyTu zTfksNqtgeZEacYW2HaNI/LxvWIesu4= X-Google-Smtp-Source: ABdhPJzEPMvQcGYIBCc+xke/+9ayvEUbiEvKnfRXMXAj7js9jLbPrwtG6NHbz9/RBbWy/D9A6i2trQ== X-Received: by 2002:adf:f8c8:: with SMTP id f8mr16345756wrq.204.1627930499775; Mon, 02 Aug 2021 11:54:59 -0700 (PDT) Original-Received: from smtpclient.apple (dynamic-078-048-051-041.78.48.pool.telefonica.de. [78.48.51.41]) by smtp.gmail.com with ESMTPSA id w3sm6327853wmi.44.2021.08.02.11.54.58 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 02 Aug 2021 11:54:59 -0700 (PDT) X-Google-Original-From: Benjamin Buchmuller In-Reply-To: X-Mailer: Apple Mail (2.3654.100.0.2.22) X-BeenThere: ntg-context@ntg.nl X-Mailman-Version: 2.1.26 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.io gmane.comp.tex.context:112363 Archived-At: VGhhdCdzIGdyZWF0LCBJIHdpa2lmaWVkIGEgTm90ZSBmb3IgdGVzdGluZyBpZiBhIGJ1ZmZlciBl eGlzdHMgb3IgaGFzIGNvbnRlbnQgKHVzaW5nIHRoZSBcZ2V0YnVmZmVyW+KApl0gYXBwcm9hY2gg Zm9yIHRoZSBtb21lbnQpLiAKCklmIEkgd2FzIGFza2VkLCBJJ2Qgb3B0IGZvciBcZG9pZmVsc2Vl bXB0eWJ1ZmZlciAoZG9pZmVtcHR5ZWxzZT8pIHNpbmNlIG9uZSBjb3VsZCB0aGluayBvZiBzaW1p bGFyIGNvbW1hbmRzIHRoYXQgdGVzdCBmb3IgZW1wdHkgIm9iamVjdHMiLgoKSXMgdGhlcmUgYW4g b3B0aW9uIGZvciB0ZXN0aW5nIGJsb2Nrcz8gKEkgYWN0dWFsbHkgdXNlIGJsb2NrcyBxdWl0ZSBm cmVxdWVudGx5IOKApikgCgpJIGp1c3QgcmVhbGl6ZWQgdGhleSBhcmUgcHJvYmFibHkgaGFuZGxl ZCB2ZXJ5IGRpZmZlcmVudGx5IGR1cmluZyB0aGUgdHlwZXNldHRpbmcuIEJhc2ljYWxseSBJIHdv dWxkIGp1c3QgbmVlZCB0byB0ZXN0IGlmIGR1cmluZyB0aGUgZmlyc3QgcnVuIGFueSBvZiBcYmVn aW5CTE9DSyDigKYgXGVuZEJMT0NLIHdhcyBpbnZva2VkIChidXQgaWYgb25lIGdldHMgYSB0ZXN0 IGZvciBzb21lIGNvbnRlbnQgaW4tYmV0d2VlbiB0aGF0J3MgZXZlbiBiZXR0ZXIpLgoKQXMgYW4g YWx0ZXJuYXRpdmUgc29sdXRpb24sIGlzIHRoZXJlIGEgd2F5IHRvIGFkZCBjb250ZW50IHRvIGJ1 ZmZlcnM/IFVuZm9ydHVuYXRlbHksIEkgY2FuJ3QgdXNlIFxnZXRidWZmZXJbZmlyc3Qsc2Vjb25k XSwgYnV0IFxzdGFydGJ1ZmZlcltmaXJzdF1bYWRkPXllc10g4oCmIFxzdG9wYnVmZmVyIHdvdWxk IGJlIG5pY2UuCgpUaGFua3MhCgoKQmVuamFtaW4KCj4gT24gQXVnIDIsIDIwMjEsIGF0IDE3OjE3 LCBudGctY29udGV4dC1yZXF1ZXN0QG50Zy5ubCB3cm90ZToKPiAKPiBcc3RhcnR0ZXh0Cj4gCj4g XHN0YXJ0YnVmZmVyW3Rlc3RdCj4gdGVzdAo+IFxzdG9wYnVmZmVyCj4gCj4gXGRvaWZlbHNlYnVm ZmVye3Rlc3R9IHtZRVN9IHtOT1B9Cj4gCj4gXHBlcm1hbmVudFxwcm90ZWN0ZWRcZGVmXGRvaWZl bHNlYnVmZmVyY29udGVudCMxJQo+ICB7XGRvaWZlbHNle1xsdWFleHByeyhzdHJpbmcuc3RyaXAo YnVmZmVycy5nZXRjb250ZW50KCIjMSIpKSB+PSAiIiBhbmQgInllcyIpfX17eWVzfX0KPiAKPiBc c3RhcnRidWZmZXJbdGVzdF0KPiBcc3RvcGJ1ZmZlcgo+IAo+IFxkb2lmZWxzZWJ1ZmZlcmNvbnRl bnR7dGVzdH0ge1lFU30ge05PUH0KPiAKPiBcc3RhcnRidWZmZXJbdGVzdF0KPiAKPiBcc3RvcGJ1 ZmZlcgo+IAo+IFxkb2lmZWxzZWJ1ZmZlcmNvbnRlbnR7dGVzdH0ge1lFU30ge05PUH0KPiAKPiBc c3RvcHRleHQKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCklmIHlvdXIgcXVlc3Rpb24gaXMg b2YgaW50ZXJlc3QgdG8gb3RoZXJzIGFzIHdlbGwsIHBsZWFzZSBhZGQgYW4gZW50cnkgdG8gdGhl IFdpa2khCgptYWlsbGlzdCA6IG50Zy1jb250ZXh0QG50Zy5ubCAvIGh0dHA6Ly93d3cubnRnLm5s L21haWxtYW4vbGlzdGluZm8vbnRnLWNvbnRleHQKd2VicGFnZSAgOiBodHRwOi8vd3d3LnByYWdt YS1hZGUubmwgLyBodHRwOi8vY29udGV4dC5hYW5oZXQubmV0CmFyY2hpdmUgIDogaHR0cHM6Ly9i aXRidWNrZXQub3JnL3BoZy9jb250ZXh0LW1pcnJvci9jb21taXRzLwp3aWtpICAgICA6IGh0dHA6 Ly9jb250ZXh0Z2FyZGVuLm5ldApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwo=