=================================================================== RCS file: /cvs/mandoc/mandoc_char.7,v retrieving revision 1.70 retrieving revision 1.71 diff -u -p -r1.70 -r1.71 --- mandoc/mandoc_char.7 2018/08/08 14:03:27 1.70 +++ mandoc/mandoc_char.7 2018/08/08 14:16:08 1.71 @@ -1,4 +1,4 @@ -.\" $Id: mandoc_char.7,v 1.70 2018/08/08 14:03:27 schwarze Exp $ +.\" $Id: mandoc_char.7,v 1.71 2018/08/08 14:16:08 schwarze Exp $ .\" .\" Copyright (c) 2003 Jason McIntyre .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons @@ -76,30 +76,6 @@ blue-eyed lorry-driver .Ed .Pp -If a word on a text input line contains a hyphen, a formatter may decide -to insert an output line break after the hyphen if that helps filling -the current output line, but the whole word would overflow the line. -If it is important that the word is not broken across lines in this -way, a zero-width space -.Pq Sq \e& -can be inserted before or after the hyphen. -While -.Xr mandoc 1 -never breaks the output line after hyphens adjacent to a zero-width -space, after any of the other dash- or hyphen-like characters -represented by escape sequences, or after hyphens inside words in -macro arguments, other software may not respect these rules and may -break the line even in such cases. -.Pp -Some -.Xr roff 7 -implementations contains dictionaries allowing to break the line -at syllable boundaries even inside words that contain no hyphens. -Such automatic hyphenation is not supported by -.Xr mandoc 1 , -which only breaks the line at whitespace, and inside words only -after existing hyphens. -.Pp The en-dash is used to separate the two elements of a range, or can be used the same way as an em-dash. It should be written as @@ -135,6 +111,30 @@ But currently, no practically relevant manual page for requires that subtlety, so in manual pages just write plain .Sq - to represent hyphen, minus, and hyphen-minus. +.Pp +If a word on a text input line contains a hyphen, a formatter may decide +to insert an output line break after the hyphen if that helps filling +the current output line, but the whole word would overflow the line. +If it is important that the word is not broken across lines in this +way, a zero-width space +.Pq Sq \e& +can be inserted before or after the hyphen. +While +.Xr mandoc 1 +never breaks the output line after hyphens adjacent to a zero-width +space, after any of the other dash- or hyphen-like characters +represented by escape sequences, or after hyphens inside words in +macro arguments, other software may not respect these rules and may +break the line even in such cases. +.Pp +Some +.Xr roff 7 +implementations contains dictionaries allowing to break the line +at syllable boundaries even inside words that contain no hyphens. +Such automatic hyphenation is not supported by +.Xr mandoc 1 , +which only breaks the line at whitespace, and inside words only +after existing hyphens. .Ss Spaces To separate words in normal text, for indenting and alignment in literal context, and when none of the following special cases apply,