From debbugs-submit-bounces@debbugs.gnu.org Mon Jan 03 12:59:32 2022 Received: (at submit) by debbugs.gnu.org; 3 Jan 2022 17:59:32 +0000 Received: from localhost ([127.0.0.1]:36150 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1n4RcK-00030E-1B for submit@debbugs.gnu.org; Mon, 03 Jan 2022 12:59:32 -0500 Received: from lists.gnu.org ([209.51.188.17]:47530) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1n4RcF-000302-FY for submit@debbugs.gnu.org; Mon, 03 Jan 2022 12:59:30 -0500 Received: from eggs.gnu.org ([209.51.188.92]:46698) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n4RcE-0007Cb-QA for bug-gnu-emacs@gnu.org; Mon, 03 Jan 2022 12:59:27 -0500 Received: from mail-pg1-f171.google.com ([209.85.215.171]:35753) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1n4RcD-0001SA-Ac for bug-gnu-emacs@gnu.org; Mon, 03 Jan 2022 12:59:26 -0500 Received: by mail-pg1-f171.google.com with SMTP id v25so30642345pge.2 for ; Mon, 03 Jan 2022 09:59:25 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:mime-version:date:message-id:subject:to; bh=fh7VRgZpJ5+G8z31ZBUuUPfYACuLLFQuM6SFqntKQnE=; b=Yej4uTipZD5Krq5y1OvER/Tu2tTOzgJqJ76fSgEw0Rfa3mNZyTe5S587IiSoxaEwnk KG2KtHJQTTDHwUzCJQULwL4DJXEtU28Qbvp5gxWESyRomJFy0JeBMsHmI/HbGcd8O5D9 6+vzQ8h3RxWQRGHsNLGji+wfemDgQFAIj0wWmp4sdommyB2HlLUPWd557Sz6cxBqXQ1n KeHDxIx0+fPMkiTNzwtfUb0OXGcdxaQRIO+ATP2Vc4NdLA2PaWXsTPXflkeXbVcTE5kd S2GZa71o30rD7hcrzyl0yS/UmXR4sS5WEzvjRuhMMAKCmzO0nbMPjarZKzIDDIfGXPJr vcfg== X-Gm-Message-State: AOAM530a7P26GsmvRIRjborTkue2AvUfGNBL+dRYMirLEWLTAUvasAnX LhgwuHXynQsbvR8AyM5MYbrN+VdwF8t9fRruZ0eniw8Q X-Google-Smtp-Source: ABdhPJyUWoRzw+eIZlsTRFzzYnjAdbiNSa5wnPR/MWXnapLqELF+SFoW8jPokUpZGmBR43/4/3bdrfPDHpVy04wf/e4= X-Received: by 2002:a62:7745:0:b0:4ba:7251:d559 with SMTP id s66-20020a627745000000b004ba7251d559mr47300588pfc.35.1641232764153; Mon, 03 Jan 2022 09:59:24 -0800 (PST) Received: from 753933720722 named unknown by gmailapi.google.com with HTTPREST; Mon, 3 Jan 2022 12:59:23 -0500 From: Stefan Kangas MIME-Version: 1.0 Date: Mon, 3 Jan 2022 12:59:23 -0500 Message-ID: Subject: Implement visual-fill-column equivalent in display engine To: bug-gnu-emacs@gnu.org Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=209.85.215.171; envelope-from=stefankangas@gmail.com; helo=mail-pg1-f171.google.com X-Spam_score_int: 5 X-Spam_score: 0.5 X-Spam_bar: / X-Spam_report: (0.5 / 5.0 requ) FREEMAIL_FORGED_FROMDOMAIN=0.249, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-Spam-Score: -0.8 (/) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.8 (-) Severity: wishlist The `visual-fill-column' package implements the following behavior, according to its own description: visual-fill-column-mode is a small Emacs minor mode that mimics the effect of fill-column in visual-line-mode. Instead of wrapping lines at the window edge, which is the standard behaviour of visual-line-mode, it wraps lines at fill-column (or visual-fill-column-width, if set). That is, it turns the view on the left into the view on the right, without changing the contents of the file: It would be better if we could implement this in the display engine. More information and screenshots: https://github.com/joostkremers/visual-fill-column This was discussed in: https://lists.gnu.org/archive/html/emacs-devel/2022-01/msg00290.html