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|ID||Category||Severity||Type||Date Submitted||Last Update|
|0001158||[1003.1(2013)/Issue7+TC1] Shell and Utilities||Editorial||Enhancement Request||2017-07-31 20:21||2017-08-01 08:32|
|Final Accepted Text|
|Summary||0001158: Please, use dashs (i. e. "-") consistently in the document and make it searchable|
I use pdf of POSIX 2016 edition. I tried to find all utilities which threat "--" specially. So, I tried to search over all the document the string "--". But this search skipped some relevant places, for example p. 2674, l. 87119, echo utility.
Reason: because in that line we have two symbols "−" (i. e. U+2212 [hexademical, of course]) separated by space instead of ordinary "-" (U+002D).
So, please, always use real ASCII when you mean ASCII. Don't insert unnecessary spaces, i. e. spaces, which doesn't really mean spaces.
P. S. I used KDE Okular 0.26.1 to view the standard (KDE Development Platform 4.14.26), Debian package 4:16.08.2-1+b1.
|Desired Action||See above|
|Tags||No tags attached.|
The Unicode character "minus sign" is used throughout the standard except when the font in use is a constant width one.
Use of two minus signs separated by a space is used to visually appear as "--"; use of two hyphens without a space would run together and appear as a single - in the printed pdf.
The generated HTML, on the other hand, does use a hyphen, and can be easily searched for "--", except that you will need to get the entire standard (or at least all of XCU) as a single HTML file.
|I'm not sure whether Nick's "except when the font in use is a constant width one" was intended to imply that all dashes in constant width font are plain ASCII, but if so then it isn't true. It used to be true back when we used "real" troff, but with the switch to groff for the POSIX/SUS merge in 2001 some of them became Unicode minus sign. This was discussed on the mailing list last year (around the time we reissued C165 to fix the backquote problem) and is on my to-do list to sort out sometime.|
|2017-07-31 20:21||safinaskar||New Issue|
|2017-07-31 20:21||safinaskar||Name||=> Askar Safin|
|2017-07-31 20:21||safinaskar||Section||=> echo utility|
|2017-07-31 20:21||safinaskar||Page Number||=> 2674|
|2017-07-31 20:21||safinaskar||Line Number||=> 87119|
|2017-07-31 20:38||nick||Note Added: 0003810|
|2017-08-01 08:32||geoffclare||Note Added: 0003811|
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