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Branden Robinson" Cc: Michael Kerrisk , "linux-man@vger.kernel.org" References: <20210729115508.pt6btsqd7g5tuhg6@localhost.localdomain> From: "Alejandro Colomar (man-pages)" Message-ID: <594e480c-96d4-669c-081e-d3075d5a6e7d@gmail.com> Date: Thu, 29 Jul 2021 14:18:30 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210729115508.pt6btsqd7g5tuhg6@localhost.localdomain> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Hi Branden! On 7/29/21 1:55 PM, G. Branden Robinson wrote: > Hi, Alex! > > At 2021-07-28T22:31:26+0200, Alejandro Colomar (man-pages) wrote: >> Also from man-pages(7): > [...] >> If the command is short, then it can be included inline in >> the text, in italic format, for example, man 7 man‐pages. >> In this case, it may be worth using nonbreaking spaces >> ("\ ") at suitable places in the command. Command options >> should be written in italics (e.g., -l). > > I'd like to note that \~ is a superior escape sequence to use for this > purpose in most siutations. The problem is that "\ " does, or rather > doesn't do, two things: it doesn't break and it doesn't adjust (that > is, it doesn't participate in widening when a line is justified to both > the left and right margins, a common typesetting practice). Can you provide some examples of rendered output with '\ ' and '\~'? I think I understand it, but a graphical example might be better. > It's also, > in my opinion, confusing to see and to write and speak about. I'm not sure I understood this sentence :) > > \~ is, admittedly, a groffism, but it is one that has been supported by > other actively maintained troff implementations and man page > rendererers. > > Heirloom Doctools troff has supported it since its 2005-09-15 > release[1]. mandoc has supported it since 2018-12-15[2], released > 2019-03-10[3]. > > (Support in groff itself goes at least as far back as version 1.02, in > June 1991[4].) Support looks good. > > What do you think about updating this guidance? I'm not sure I understood the difference completely, I'll comment about it when you provide some examples. Kind regards, Alex > > Regards, > Branden > > [1] https://github.com/n-t-roff/heirloom-doctools/blob/master/CHANGES_GR#L1143 > [2] https://cvsweb.bsd.lv/mandoc/mandoc.c.diff?r1=1.110&r2=1.111 > [3] https://mandoc.bsd.lv/ > [4] https://git.savannah.gnu.org/cgit/groff.git/tree/troff/input.c?id=351da0dcdf702cf243d26ffa998961bce2aa8653#n1270 > -- Alejandro Colomar Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/ http://www.alejandro-colomar.es/