=================================================================== RCS file: /cvs/mandoc/mandoc.1,v retrieving revision 1.176 retrieving revision 1.191 diff -u -p -r1.176 -r1.191 --- mandoc/mandoc.1 2017/03/04 17:17:34 1.176 +++ mandoc/mandoc.1 2017/05/31 15:31:00 1.191 @@ -1,4 +1,4 @@ -.\" $Id: mandoc.1,v 1.176 2017/03/04 17:17:34 schwarze Exp $ +.\" $Id: mandoc.1,v 1.191 2017/05/31 15:31:00 schwarze Exp $ .\" .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons .\" Copyright (c) 2012, 2014-2017 Ingo Schwarze @@ -15,19 +15,19 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: March 4 2017 $ +.Dd $Mdocdate: May 31 2017 $ .Dt MANDOC 1 .Os .Sh NAME .Nm mandoc -.Nd format and display UNIX manuals +.Nd format manual pages .Sh SYNOPSIS .Nm mandoc -.Op Fl acfhkl +.Op Fl ac .Op Fl I Cm os Ns = Ns Ar name .Op Fl K Ar encoding -.Op Fl m Ns Ar format -.Op Fl O Ar option +.Op Fl mdoc | man +.Op Fl O Ar options .Op Fl T Ar output .Op Fl W Ar level .Op Ar @@ -44,9 +44,7 @@ reads .Xr mdoc 7 or .Xr man 7 -text from stdin, implying -.Fl m Ns Cm andoc , -and produces +text from stdin and produces .Fl T Cm locale output. .Pp @@ -67,27 +65,15 @@ to paginate them. This is the default. It can be specified to override .Fl a . -.It Fl f -A synonym for -.Xr whatis 1 . -This overrides any earlier -.Fl k -and -.Fl l -options. -.It Fl h -Display only the SYNOPSIS lines. -Implies -.Fl c . .It Fl I Cm os Ns = Ns Ar name Override the default operating system .Ar name for the .Xr mdoc 7 -.Sq \&Os +.Ic \&Os and for the .Xr man 7 -.Sq \&TH +.Ic \&TH macro. .It Fl K Ar encoding Specify the input encoding. @@ -122,30 +108,29 @@ sequence, input is interpreted as Otherwise, input is interpreted as .Cm iso-8859-1 . .El -.It Fl k -A synonym for -.Xr apropos 1 . -This overrides any earlier -.Fl f -and -.Fl l -options. -.It Fl l -A synonym for -.Fl a . -Also reverts any earlier -.Fl f -and -.Fl k -options. -.It Fl m Ns Ar format -Input format. -See -.Sx Input Formats -for available formats. -Defaults to -.Fl m Ns Cm andoc . -.It Fl O Ar option +.It Fl mdoc | man +With +.Fl mdoc , +all input files are interpreted as +.Xr mdoc 7 . +With +.Fl man , +all input files are interpreted as +.Xr man 7 . +By default, the input language is automatically detected for each file: +if the the first macro is +.Ic \&Dd +or +.Ic \&Dt , +the +.Xr mdoc 7 +parser is used; otherwise, the +.Xr man 7 +parser is used. +With other arguments, +.Fl m +is silently ignored. +.It Fl O Ar options Comma-separated output options. .It Fl T Ar output Output format. @@ -161,13 +146,14 @@ to be reported on the standard error output and to aff The .Ar level can be +.Cm style , .Cm warning , .Cm error , or .Cm unsupp ; .Cm all is an alias for -.Cm warning . +.Cm style . By default, .Nm is silent. @@ -198,6 +184,9 @@ If multiple files are specified, will halt with the first failed parse. .El .Pp +The options +.Fl fhklw +are also supported and are documented in man(1). In .Fl f and @@ -205,53 +194,13 @@ and mode, .Nm also supports the options -.Fl CMmOSsw +.Fl CMmOSs described in the .Xr apropos 1 manual. -.Ss Input Formats -The -.Nm -utility accepts -.Xr mdoc 7 -and -.Xr man 7 -input with -.Fl m Ns Cm doc -and -.Fl m Ns Cm an , -respectively. -The -.Xr mdoc 7 -format is -.Em strongly -recommended; -.Xr man 7 -should only be used for legacy manuals. -.Pp -A third option, -.Fl m Ns Cm andoc , -which is also the default, determines encoding on-the-fly: if the first -non-comment macro is -.Sq \&Dd -or -.Sq \&Dt , -the -.Xr mdoc 7 -parser is used; otherwise, the -.Xr man 7 -parser is used. -.Pp -If multiple -files are specified with -.Fl m Ns Cm andoc , -each has its file-type determined this way. -If multiple files are -specified and -.Fl m Ns Cm doc -or -.Fl m Ns Cm an -is specified, then this format is used exclusively. +The options +.Fl fkl +are mutually exclusive and override each other. .Ss Output Formats The .Nm @@ -304,9 +253,6 @@ See Encode output in the UTF\-8 multi-byte format. See .Sx UTF\-8 Output . -.It Fl T Cm xhtml -This is a synonym for -.Fl T Cm html . .El .Pp If multiple input files are specified, these will be processed by the @@ -391,7 +337,7 @@ The string for example, .Ar ../src/%I.html , is used as a template for linked header files (usually via the -.Sq \&In +.Ic \&In macro). Instances of .Sq \&%I @@ -404,7 +350,7 @@ The string for example, .Ar ../html%S/%N.%S.html , is used as a template for linked manuals (usually via the -.Sq \&Xr +.Ic \&Xr macro). Instances of .Sq \&%N @@ -450,7 +396,7 @@ If the input format is .Xr man 7 , the input is copied to the output, expanding any .Xr roff 7 -.Sq so +.Ic so requests. The parser is also run, and as usual, the .Fl W @@ -465,7 +411,17 @@ input to the format conforming to .Lk http://daringfireball.net/projects/markdown/syntax.text\ "John Gruber's 2004 specification" . +The output also almost conforms to the +.Lk http://commonmark.org/ CommonMark +specification. .Pp +The character set used for the markdown output is ASCII. +Non-ASCII characters are encoded as HTML entities. +Since that is not possible in literal font contexts, because these +are rendered as code spans and code blocks in the markdown output, +non-ASCII characters are transliterated to ASCII approximations in +these contexts. +.Pp Markdown is a very weak markup language, so all semantic markup is lost, and even part of the presentational markup may be lost. Do not use this as an intermediate step in converting to HTML; @@ -601,8 +557,16 @@ Meta data is not available in this case. .It Ev MANPAGER Any non-empty value of the environment variable .Ev MANPAGER -will be used instead of the standard pagination program, -.Xr more 1 . +is used instead of the standard pagination program, +.Xr more 1 ; +see +.Xr man 1 +for details. +Only used if +.Fl a +or +.Fl l +is specified. .It Ev PAGER Specifies the pagination program to use when .Ev MANPAGER @@ -610,7 +574,12 @@ is not defined. If neither PAGER nor MANPAGER is defined, .Xr more 1 .Fl s -will be used. +is used. +Only used if +.Fl a +or +.Fl l +is specified. .El .Sh EXIT STATUS The @@ -623,27 +592,32 @@ option: .Pp .Bl -tag -width Ds -compact .It 0 -No warnings or errors occurred, or those that did were ignored because -they were lower than the requested +No style suggestions, warnings or errors occurred, or those that +did were ignored because they were lower than the requested .Ar level . +.It 1 +At least one style suggestion occurred, but no warning or error, and +.Fl W Cm style +was specified. .It 2 At least one warning occurred, but no error, and .Fl W Cm warning +or +.Fl W Cm style was specified. .It 3 At least one parsing error occurred, but no unsupported feature was encountered, and .Fl W Cm error -or -.Fl W Cm warning -was specified. +or a lower +.Ar level +was requested. .It 4 At least one unsupported feature was encountered, and -.Fl W Cm unsupp , -.Fl W Cm error -or -.Fl W Cm warning -was specified. +.Fl W Cm unsupp +or a lower +.Ar level +was requested. .It 5 Invalid command line arguments were specified. No input files have been read. @@ -662,8 +636,7 @@ output mode implies .Sh EXAMPLES To page manuals to the terminal: .Pp -.Dl $ mandoc \-W all,stop mandoc.1 2\*(Gt&1 | less -.Dl $ mandoc mandoc.1 mdoc.3 mdoc.7 | less +.Dl $ mandoc -l mandoc.1 man.1 apropos.1 makewhatis.8 .Pp To produce HTML manuals with .Pa mandoc.css @@ -743,9 +716,22 @@ rendering can be produced. Documents causing warnings may render poorly when using other formatting tools instead of .Nm . +.It Cm style +An input file uses dubious or discouraged style. +This is not a complaint about the syntax, and probably neither +formatting nor portability are in danger. +While great care is taken to avoid false positives on the higher +message levels, the +.Cm style +level tries to reduce the probability that issues go unnoticed, +so it may occasionally issue bogus suggestions. +Please use your good judgement to decide whether any particular +.Cm style +suggestion really justifies a change to the input file. .El .Pp Messages of the +.Cm style , .Cm warning , .Cm error , and @@ -756,6 +742,28 @@ are hidden unless their level, or a lower level, is re option or .Fl T Cm lint output mode. +.Ss Style messages +.Bl -ohang +.It Sy "useless macro" +.Pq mdoc +A +.Ic \&Bt , +.Ic \&Tn , +or +.Ic \&Ud +macro was found. +Simply delete it: it serves no useful purpose. +.It Sy "consider using OS macro" +.Pq mdoc +A string was found in plain text or in a +.Ic \&Bx +macro that could be represented using +.Ic \&Ox , +.Ic \&Nx , +.Ic \&Fx , +or +.Ic \&Dx . +.El .Ss Warnings related to the document prologue .Bl -ohang .It Sy "missing manual title, using UNTITLED" @@ -908,6 +916,14 @@ The .Ic \&Nd macro lacks the required argument. The title line of the manual will end after the dash. +.It Sy "description line outside NAME section" +.Pq mdoc +An +.Ic \&Nd +macro appears outside the NAME section. +The arguments are printed anyway and the following text is used for +.Xr apropos 1 , +but none of that behaviour is portable. .It Sy "sections out of conventional order" .Pq mdoc A standard section occurs after another section it usually precedes. @@ -1126,7 +1142,7 @@ or .Ic \&Bl .Fl offset or -.Fl width. +.Fl width . .It Sy "missing display type, using -ragged" .Pq mdoc The