diff options
Diffstat (limited to 'mdoc.7')
| -rw-r--r-- | mdoc.7 | 805 |
1 files changed, 397 insertions, 408 deletions
@@ -17,621 +17,610 @@ .Dd $Mdocdate$ .Dt MDOC 7 .Os -.\" SECTION--------------------------------------------- +. +. .Sh NAME -.Nm mdoc -.Nd mdoc language reference -.\" SECTION--------------------------------------------- +. Nm mdoc +. Nd mdoc language reference +. +. .Sh DESCRIPTION The -.Nm mdoc +. Nm mdoc language is used to format -.Bx -.Ux +. Bx +. Ux manuals. In this reference document, we describe its syntax, structure, and usage. Our reference implementation is -.Xr mandoc 1 . +. Xr mandoc 1 . The -.Sx COMPATIBILITY +. Sx COMPATIBILITY section describes compatibility with -.Xr groff 1 . -.\" PARAGRAPH------------ -.Pp +. Xr groff 1 . +. Pp An -.Nm +. Nm document follows simple rules: lines beginning with the control character -.Sq \. +. Sq \. are parsed for macros. Other lines are interpreted within the scope of prior macros: -.Bd -literal -offset indent +. Bd -literal -offset indent \&.Sh Macro lines change control state. Other lines are interpreted within the current state. -.Ed -.\" SECTION--------------------------------------------- +. Ed +. +. .Sh LANGUAGE SYNTAX -.Nm +. Nm documents may contain only graphable 7-bit ASCII characters, the space character, and, in certain circumstances, the tab character. All manuals must have -.Ux +. Ux line terminators. -.\" SUB-SECTION---------------------- -.Ss Comments +. +. +. Ss Comments Text following a -.Sq \e" , +. Sq \e" , whether in a macro or free-form text line, is ignored to the end of line. A macro line with only a control character and comment escape, -.Sq \&.\e" , +. Sq \&.\e" , is also ignored. -.\" SUB-SECTION---------------------- -.Ss Reserved Characters +. +. +. Ss Reserved Characters Within a macro line, the following characters are reserved: -.Bl -tag -width Ds -offset indent -compact -.It \&. -.Pq period -.It \&, -.Pq comma -.It \&: -.Pq colon -.It \&; -.Pq semicolon -.It \&( -.Pq left-parenthesis -.It \&) -.Pq right-parenthesis -.It \&[ -.Pq left-bracket -.It \&] -.Pq right-bracket -.It \&? -.Pq question -.It \&! -.Pq exclamation -.It \&| -.Pq vertical bar -.El -.\" PARAGRAPH------------ -.Pp +. Bl -tag -width Ds -offset indent -compact +. It \&. +. Pq period +. It \&, +. Pq comma +. It \&: +. Pq colon +. It \&; +. Pq semicolon +. It \&( +. Pq left-parenthesis +. It \&) +. Pq right-parenthesis +. It \&[ +. Pq left-bracket +. It \&] +. Pq right-bracket +. It \&? +. Pq question +. It \&! +. Pq exclamation +. It \&| +. Pq vertical bar +. El +. Pp Use of reserved characters is described in -.Sx MACRO SYNTAX . +. Sx MACRO SYNTAX . For general use in macro lines, these characters must either be escaped with a non-breaking space -.Pq Sq \e& +. Pq Sq \e& or, if applicable, an appropriate escape sequence used. -.\" SUB-SECTION---------------------- -.Ss Special Characters +. +. +. Ss Special Characters Special characters may occur in both macro and free-form lines. Sequences begin with the escape character -.Sq \e +. Sq \e followed by either an open-parenthesis -.Sq \&( +. Sq \&( for two-character sequences; an open-bracket -.Sq \&[ +. Sq \&[ for n-character sequences (terminated at a close-bracket -.Sq \&] ) ; +. Sq \&] ) ; or a single one-character sequence. See -.Xr mandoc_char 7 +. Xr mandoc_char 7 for a complete list. Examples include -.Sq \e(em -.Pq em-dash +. Sq \e(em +. Pq em-dash and -.Sq \ee -.Pq back-slash . -.\" SUB-SECTION---------------------- -.Ss Text Decoration +. Sq \ee +. Pq back-slash . +. +. +. Ss Text Decoration Terms may be text-decorated using the -.Sq \ef +. Sq \ef escape followed by an indicator: B (bold), I, (italic), or P and R (Roman, or reset). This form is not recommended for -.Nm , +. Nm , which encourages semantic, not presentation, annotation. -.\" SUB-SECTION---------------------- -.Ss Predefined Strings +. +. +. Ss Predefined Strings Historically, -.Xr groff 1 +. Xr groff 1 also defined a set of package-specific -.Dq predefined strings , +. Dq predefined strings , which, like -.Sx Special Characters , +. Sx Special Characters , demark special output characters and strings by way of input codes. Predefined strings are escaped with the slash-asterisk, -.Sq \e* : +. Sq \e* : single-character -.Sq \e*X , +. Sq \e*X , two-character -.Sq \e*(XX , +. Sq \e*(XX , and N-character -.Sq \e*[N] . +. Sq \e*[N] . See -.Xr mandoc_char 7 +. Xr mandoc_char 7 for a complete list. Examples include -.Sq \e*(Am -.Pq ampersand +. Sq \e*(Am +. Pq ampersand and -.Sq \e*(Ba -.Pq vertical bar . -.\" SUB-SECTION---------------------- -.Ss Whitespace +. Sq \e*(Ba +. Pq vertical bar . +. +. +. Ss Whitespace In non-literal free-form lines, consecutive blocks of whitespace are pruned from input and added later in the output filter, if applicable: -.Bd -literal -offset indent +. Bd -literal -offset indent These spaces are pruned from input. \&.Bd \-literal These are not. \&.Ed -.Ed -.\" PARAGRAPH------------ -.Pp +. Ed +. Pp In macro lines, whitespace delimits arguments and is discarded. If arguments are quoted, whitespace within the quotes is retained. -.\" PARAGRAPH------------ -.Pp +. Pp Blank lines are only permitted within literal contexts, as are lines containing only whitespace. Tab characters are only acceptable when delimiting -.Sq \&Bl \-column +. Sq \&Bl \-column or when in a literal context. -.\" SUB-SECTION---------------------- -.Ss Quotation +. +. +. Ss Quotation Macro arguments may be quoted with a double-quote to group space-delimited terms or to retain blocks of whitespace. A quoted argument begins with a double-quote preceded by whitespace. The next double-quote not pair-wise adjacent to another double-quote terminates the literal, regardless of surrounding whitespace. -.\" PARAGRAPH------------ -.Pp +. Pp This produces tokens -.Sq a" , -.Sq b c , -.Sq de , +. Sq a" , +. Sq b c , +. Sq de , and -.Sq fg" . +. Sq fg" . Note that any quoted term, be it argument or macro, is indiscriminately considered literal text. Thus, the following produces -.Sq \&Em a : -.Bd -literal -offset indent +. Sq \&Em a : +. Bd -literal -offset indent \&.Em "Em a" -.Ed -.\" PARAGRAPH------------ -.Pp +. Ed +. Pp In free-form mode, quotes are regarded as opaque text. -.\" SECTION--------------------------------------------- +. +. .Sh MANUAL STRUCTURE Each -.Nm +. Nm document must begin with a document prologue, containing, in order, -.Sq \&Dd , -.Sq \&Dt , +. Sq \&Dd , +. Sq \&Dt , and -.Sq \&Os , +. Sq \&Os , then the NAME section containing at least one -.Sq \&Nm +. Sq \&Nm followed by -.Sq \&Nd : -.Bd -literal -offset indent +. Sq \&Nd : +. Bd -literal -offset indent \&.Dd $\&Mdocdate$ \&.Dt mdoc 7 \&.Os \&.Sh NAME \&.Nm mdoc \&.Nd mdoc language reference -.Ed -.\" PARAGRAPH------------ -.Pp +. Ed +. Pp Subsequent SYNOPSIS and DESCRIPTION sections are strongly encouraged, but non-compulsory. -.\" SECTION--------------------------------------------- +. +. .Sh MACRO SYNTAX -Every line beginning with the control character -.Sq \. -is processed for macros, two- or three-character sequences. -.\" PARAGRAPH------------ -.Pp +Macros are one to three three characters in length and begin with a +control character , +. Sq \&. , +at the beginning of the line. An arbitrary amount of whitespace may +sit between the control character and the macro name. Thus, +. Sq \&.Pp +and +. Sq \&.\ \ \ \&Pp +are equivalent. Macro names are two or three characters in length. +. Pp The syntax of a macro depends on its classification. In this section, -.Sq \-arg +. Sq \-arg refers to macro arguments, which may be followed by zero or more -.Sq parm +. Sq parm parameters; -.Sq \&Yo +. Sq \&Yo opens the scope of a macro; and if specified, -.Sq \&Yc +. Sq \&Yc closes it out. -.\" PARAGRAPH------------ -.Pp +. Pp The -.Em Callable +. Em Callable column indicates that the macro may be called subsequent to the initial line-macro. If a macro is not callable, then its invocation after the initial line macro is interpreted as opaque text, such that -.Sq \&.Fl Sh +. Sq \&.Fl Sh produces -.Sq Fl Sh . -.\" PARAGRAPH------------ -.Pp +. Sq Fl Sh . +. Pp The -.Em Parsable +. Em Parsable column indicates whether the macro may be followed by further (ostensibly callable) macros. If a macro is not parsable, subsequent macro invocations on the line will be interpreted as opaque text. -.\" PARAGRAPH------------ -.Pp +. Pp The -.Em Scope +. Em Scope column, if applicable, describes closure rules. -.\" SUB-SECTION---------------------- -.Ss Block full-explicit +. +. +. Ss Block full-explicit Multi-line scope closed by an explicit closing macro. All macros contains bodies; only -.Pq Sq \&Bf +. Pq Sq \&Bf contains a head. -.Bd -literal -offset indent +. Bd -literal -offset indent \&.Yo \(lB\-arg \(lBparm...\(rB\(rB \(lBhead...\(rB \(lBbody...\(rB \&.Yc -.Ed -.\" PARAGRAPH------------ -.Pp -.Bl -column -compact -offset indent "MacroX" "CallableX" "ParsableX" "closed by XXX" -.It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope -.It \&Bd Ta \&No Ta \&No Ta closed by \&Ed -.It \&Bf Ta \&No Ta \&No Ta closed by \&Ef -.It \&Bk Ta \&No Ta \&No Ta closed by \&Ek -.It \&Bl Ta \&No Ta \&No Ta closed by \&El -.It \&Ed Ta \&No Ta \&No Ta opened by \&Bd -.It \&Ef Ta \&No Ta \&No Ta opened by \&Bf -.It \&Ek Ta \&No Ta \&No Ta opened by \&Bk -.It \&El Ta \&No Ta \&No Ta opened by \&Bl -.El -.\" SUB-SECTION---------------------- -.Ss Block full-implicit +. Ed +. Pp +. Bl -column -compact -offset indent "MacroX" "CallableX" "ParsableX" "closed by XXX" +. It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope +. It \&Bd Ta \&No Ta \&No Ta closed by \&Ed +. It \&Bf Ta \&No Ta \&No Ta closed by \&Ef +. It \&Bk Ta \&No Ta \&No Ta closed by \&Ek +. It \&Bl Ta \&No Ta \&No Ta closed by \&El +. It \&Ed Ta \&No Ta \&No Ta opened by \&Bd +. It \&Ef Ta \&No Ta \&No Ta opened by \&Bf +. It \&Ek Ta \&No Ta \&No Ta opened by \&Bk +. It \&El Ta \&No Ta \&No Ta opened by \&Bl +. El +. +. +. Ss Block full-implicit Multi-line scope closed by end-of-file or implicitly by another macro. All macros have bodies; some -.Po -.Sq \&It \-bullet , -.Sq \-hyphen , -.Sq \-dash , -.Sq \-enum , -.Sq \-item -.Pc +. Po +. Sq \&It \-bullet , +. Sq \-hyphen , +. Sq \-dash , +. Sq \-enum , +. Sq \-item +. Pc don't have heads, while -.Sq \&It \-column +. Sq \&It \-column may have multiple heads. -.Bd -literal -offset indent +. Bd -literal -offset indent \&.Yo \(lB\-arg \(lBparm...\(rB\(rB \(lBhead... \(lBTa head...\(rB\(rB \(lBbody...\(rB -.Ed -.\" PARAGRAPH------------ -.Pp -.Bl -column -compact -offset indent "MacroX" "CallableX" "ParsableX" "closed by XXXXXXXXXXX" -.It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope -.It \&It Ta \&No Ta Yes Ta closed by \&It, \&El -.It \&Nd Ta \&No Ta \&No Ta closed by \&Sh -.It \&Sh Ta \&No Ta \&No Ta closed by \&Sh -.It \&Ss Ta \&No Ta \&No Ta closed by \&Sh, \&Ss -.El -.\" SUB-SECTION---------------------- -.Ss Block partial-explicit +. Ed +. Pp +. Bl -column -compact -offset indent "MacroX" "CallableX" "ParsableX" "closed by XXXXXXXXXXX" +. It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope +. It \&It Ta \&No Ta Yes Ta closed by \&It, \&El +. It \&Nd Ta \&No Ta \&No Ta closed by \&Sh +. It \&Sh Ta \&No Ta \&No Ta closed by \&Sh +. It \&Ss Ta \&No Ta \&No Ta closed by \&Sh, \&Ss +. El +. +. +. Ss Block partial-explicit Like block full-explicit, but also with single-line scope. Each has at least a body and, in limited circumstances, a head -.Pq So \&Fo Sc , So \&Eo Sc +. Pq So \&Fo Sc , So \&Eo Sc and/or tail -.Pq So \&Ec Sc . -.Bd -literal -offset indent +. Pq So \&Ec Sc . +. Bd -literal -offset indent \&.Yo \(lB\-arg \(lBparm...\(rB\(rB \(lBhead...\(rB \(lBbody...\(rB \&.Yc \(lBtail...\(rB \&.Yo \(lB\-arg \(lBparm...\(rB\(rB \(lBhead...\(rB \ \(lBbody...\(rB \&Yc \(lBtail...\(rB -.Ed -.\" PARAGRAPH------------ -.Pp -.Bl -column "MacroX" "CallableX" "ParsableX" "closed by XXXX" -compact -offset indent -.It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope -.It \&Ac Ta Yes Ta Yes Ta opened by \&Ao -.It \&Ao Ta Yes Ta Yes Ta closed by \&Ac -.It \&Bc Ta Yes Ta Yes Ta closed by \&Bo -.It \&Bo Ta Yes Ta Yes Ta opened by \&Bc -.It \&Brc Ta Yes Ta Yes Ta opened by \&Bro -.It \&Bro Ta Yes Ta Yes Ta closed by \&Brc -.It \&Dc Ta Yes Ta Yes Ta opened by \&Do -.It \&Do Ta Yes Ta Yes Ta closed by \&Dc -.It \&Ec Ta Yes Ta Yes Ta opened by \&Eo -.It \&Eo Ta Yes Ta Yes Ta closed by \&Ec -.It \&Fc Ta Yes Ta Yes Ta opened by \&Fo -.It \&Fo Ta \&No Ta \&No Ta closed by \&Fc -.It \&Oc Ta Yes Ta Yes Ta closed by \&Oo -.It \&Oo Ta Yes Ta Yes Ta opened by \&Oc -.It \&Pc Ta Yes Ta Yes Ta closed by \&Po -.It \&Po Ta Yes Ta Yes Ta opened by \&Pc -.It \&Qc Ta Yes Ta Yes Ta opened by \&Oo -.It \&Qo Ta Yes Ta Yes Ta closed by \&Oc -.It \&Re Ta \&No Ta \&No Ta opened by \&Rs -.It \&Rs Ta \&No Ta \&No Ta closed by \&Re -.It \&Sc Ta Yes Ta Yes Ta opened by \&So -.It \&So Ta Yes Ta Yes Ta closed by \&Sc -.It \&Xc Ta Yes Ta Yes Ta opened by \&Xo -.It \&Xo Ta Yes Ta Yes Ta closed by \&Xc -.El -.\" SUB-SECTION---------------------- -.Ss Block partial-implicit +. Ed +. Pp +. Bl -column "MacroX" "CallableX" "ParsableX" "closed by XXXX" -compact -offset indent +. It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope +. It \&Ac Ta Yes Ta Yes Ta opened by \&Ao +. It \&Ao Ta Yes Ta Yes Ta closed by \&Ac +. It \&Bc Ta Yes Ta Yes Ta closed by \&Bo +. It \&Bo Ta Yes Ta Yes Ta opened by \&Bc +. It \&Brc Ta Yes Ta Yes Ta opened by \&Bro +. It \&Bro Ta Yes Ta Yes Ta closed by \&Brc +. It \&Dc Ta Yes Ta Yes Ta opened by \&Do +. It \&Do Ta Yes Ta Yes Ta closed by \&Dc +. It \&Ec Ta Yes Ta Yes Ta opened by \&Eo +. It \&Eo Ta Yes Ta Yes Ta closed by \&Ec +. It \&Fc Ta Yes Ta Yes Ta opened by \&Fo +. It \&Fo Ta \&No Ta \&No Ta closed by \&Fc +. It \&Oc Ta Yes Ta Yes Ta closed by \&Oo +. It \&Oo Ta Yes Ta Yes Ta opened by \&Oc +. It \&Pc Ta Yes Ta Yes Ta closed by \&Po +. It \&Po Ta Yes Ta Yes Ta opened by \&Pc +. It \&Qc Ta Yes Ta Yes Ta opened by \&Oo +. It \&Qo Ta Yes Ta Yes Ta closed by \&Oc +. It \&Re Ta \&No Ta \&No Ta opened by \&Rs +. It \&Rs Ta \&No Ta \&No Ta closed by \&Re +. It \&Sc Ta Yes Ta Yes Ta opened by \&So +. It \&So Ta Yes Ta Yes Ta closed by \&Sc +. It \&Xc Ta Yes Ta Yes Ta opened by \&Xo +. It \&Xo Ta Yes Ta Yes Ta closed by \&Xc +. El +. +. +. Ss Block partial-implicit Like block full-implicit, but with single-line scope closed by -.Sx Reserved Characters +. Sx Reserved Characters or end of line. -.Bd -literal -offset indent +. Bd -literal -offset indent \&.Yo \(lB\-arg \(lBval...\(rB\(rB \(lBbody...\(rB \(lBres...\(rB -.Ed -.\" PARAGRAPH------------ -.Pp -.Bl -column "MacroX" "CallableX" "ParsableX" -compact -offset indent -.It Em Macro Ta Em Callable Ta Em Parsable -.It \&Aq Ta Yes Ta Yes -.It \&Bq Ta Yes Ta Yes -.It \&Brq Ta Yes Ta Yes -.It \&D1 Ta \&No Ta \&Yes -.It \&Dl Ta \&No Ta Yes -.It \&Dq Ta Yes Ta Yes -.It \&Op Ta Yes Ta Yes -.It \&Pq Ta Yes Ta Yes -.It \&Ql Ta Yes Ta Yes -.It \&Qq Ta Yes Ta Yes -.It \&Sq Ta Yes Ta Yes -.El -.\" SUB-SECTION---------------------- -.Ss In-line +. Ed +. Pp +. Bl -column "MacroX" "CallableX" "ParsableX" -compact -offset indent +. It Em Macro Ta Em Callable Ta Em Parsable +. It \&Aq Ta Yes Ta Yes +. It \&Bq Ta Yes Ta Yes +. It \&Brq Ta Yes Ta Yes +. It \&D1 Ta \&No Ta \&Yes +. It \&Dl Ta \&No Ta Yes +. It \&Dq Ta Yes Ta Yes +. It \&Op Ta Yes Ta Yes +. It \&Pq Ta Yes Ta Yes +. It \&Ql Ta Yes Ta Yes +. It \&Qq Ta Yes Ta Yes +. It \&Sq Ta Yes Ta Yes +. El +. +. +. Ss In-line Closed by -.Sx Reserved Characters , +. Sx Reserved Characters , end of line, fixed argument lengths, and/or subsequent macros. In-line macros have only text children. If a number (or inequality) of arguments is -.Pq n , +. Pq n , then the macro accepts an arbitrary number of arguments. -.Bd -literal -offset indent +. Bd -literal -offset indent \&.Yo \(lB\-arg \(lBval...\(rB\(rB \(lBargs...\(rB \(lbres...\(rb \&.Yo \(lB\-arg \(lBval...\(rB\(rB \(lBargs...\(rB Yc... \&.Yo \(lB\-arg \(lBval...\(rB\(rB arg0 arg1 argN -.Ed -.\" PARAGRAPH------------ -.Pp -.Bl -column "MacroX" "CallableX" "ParsableX" "Arguments" -compact -offset indent -.It Em Macro Ta Em Callable Ta Em Parsable Ta Em Arguments -.It \&%A Ta \&No Ta \&No Ta >0 -.It \&%B Ta \&No Ta \&No Ta >0 -.It \&%C Ta \&No Ta \&No Ta >0 -.It \&%D Ta \&No Ta \&No Ta >0 -.It \&%I Ta \&No Ta \&No Ta >0 -.It \&%J Ta \&No Ta \&No Ta >0 -.It \&%N Ta \&No Ta \&No Ta >0 -.It \&%O Ta \&No Ta \&No Ta >0 -.It \&%P Ta \&No Ta \&No Ta >0 -.It \&%R Ta \&No Ta \&No Ta >0 -.It \&%T Ta \&No Ta \&No Ta >0 -.It \&%V Ta \&No Ta \&No Ta >0 -.It \&Ad Ta Yes Ta Yes Ta n -.It \&An Ta Yes Ta Yes Ta n -.It \&Ap Ta Yes Ta Yes Ta 0 -.It \&Ar Ta Yes Ta Yes Ta n -.It \&At Ta Yes Ta Yes Ta 1 -.It \&Bsx Ta Yes Ta Yes Ta n -.It \&Bt Ta \&No Ta \&No Ta 0 -.It \&Bx Ta Yes Ta Yes Ta n -.It \&Cd Ta Yes Ta Yes Ta >0 -.It \&Cm Ta Yes Ta Yes Ta n -.It \&Db Ta \&No Ta \&No Ta 1 -.It \&Dd Ta \&No Ta \&No Ta >0 -.It \&Dt Ta \&No Ta \&No Ta n -.It \&Dv Ta Yes Ta Yes Ta n -.It \&Dx Ta Yes Ta Yes Ta n -.It \&Em Ta Yes Ta Yes Ta >0 -.It \&En Ta \&No Ta \&No Ta 0 -.It \&Er Ta Yes Ta Yes Ta >0 -.It \&Es Ta \&No Ta \&No Ta 0 -.It \&Ev Ta Yes Ta Yes Ta n -.It \&Ex Ta \&No Ta \&No Ta 0 -.It \&Fa Ta Yes Ta Yes Ta n -.It \&Fd Ta \&No Ta \&No Ta >0 -.It \&Fl Ta Yes Ta Yes Ta n -.It \&Fn Ta Yes Ta Yes Ta >0 -.It \&Fr Ta \&No Ta \&No Ta n -.It \&Ft Ta Yes Ta Yes Ta n -.It \&Fx Ta Yes Ta Yes Ta n -.It \&Hf Ta \&No Ta \&No Ta n -.It \&Ic Ta Yes Ta Yes Ta >0 -.It \&In Ta \&No Ta \&No Ta n -.It \&Lb Ta \&No Ta \&No Ta 1 -.It \&Li Ta Yes Ta Yes Ta n -.It \&Lk Ta Yes Ta Yes Ta n -.It \&Lp Ta \&No Ta \&No Ta 0 -.It \&Ms Ta Yes Ta Yes Ta >0 -.It \&Mt Ta Yes Ta Yes Ta >0 -.It \&Nm Ta Yes Ta Yes Ta n -.It \&No Ta Yes Ta Yes Ta 0 -.It \&Ns Ta Yes Ta Yes Ta 0 -.It \&Nx Ta Yes Ta Yes Ta n -.It \&Os Ta \&No Ta \&No Ta n -.It \&Ot Ta \&No Ta \&No Ta n -.It \&Ox Ta Yes Ta Yes Ta n -.It \&Pa Ta Yes Ta Yes Ta n -.It \&Pf Ta \&No Ta Yes Ta 1 -.It \&Pp Ta \&No Ta \&No Ta 0 -.It \&Rv Ta \&No Ta \&No Ta 0 -.It \&Sm Ta \&No Ta \&No Ta 1 -.It \&St Ta \&No Ta Yes Ta 1 -.It \&Sx Ta Yes Ta Yes Ta >0 -.It \&Sy Ta Yes Ta Yes Ta >0 -.It \&Tn Ta Yes Ta Yes Ta >0 -.It \&Ud Ta \&No Ta \&No Ta 0 -.It \&Ux Ta Yes Ta Yes Ta n -.It \&Va Ta Yes Ta Yes Ta n -.It \&Vt Ta Yes Ta Yes Ta >0 -.It \&Xr Ta Yes Ta Yes Ta >0, <3 -.It \&br Ta \&No Ta \&No Ta 0 -.It \&sp Ta \&No Ta \&No Ta 1 -.El -.\" SECTION--------------------------------------------- +. Ed +. Pp +. Bl -column "MacroX" "CallableX" "ParsableX" "Arguments" -compact -offset indent +. It Em Macro Ta Em Callable Ta Em Parsable Ta Em Arguments +. It \&%A Ta \&No Ta \&No Ta >0 +. It \&%B Ta \&No Ta \&No Ta >0 +. It \&%C Ta \&No Ta \&No Ta >0 +. It \&%D Ta \&No Ta \&No Ta >0 +. It \&%I Ta \&No Ta \&No Ta >0 +. It \&%J Ta \&No Ta \&No Ta >0 +. It \&%N Ta \&No Ta \&No Ta >0 +. It \&%O Ta \&No Ta \&No Ta >0 +. It \&%P Ta \&No Ta \&No Ta >0 +. It \&%R Ta \&No Ta \&No Ta >0 +. It \&%T Ta \&No Ta \&No Ta >0 +. It \&%V Ta \&No Ta \&No Ta >0 +. It \&Ad Ta Yes Ta Yes Ta n +. It \&An Ta Yes Ta Yes Ta n +. It \&Ap Ta Yes Ta Yes Ta 0 +. It \&Ar Ta Yes Ta Yes Ta n +. It \&At Ta Yes Ta Yes Ta 1 +. It \&Bsx Ta Yes Ta Yes Ta n +. It \&Bt Ta \&No Ta \&No Ta 0 +. It \&Bx Ta Yes Ta Yes Ta n +. It \&Cd Ta Yes Ta Yes Ta >0 +. It \&Cm Ta Yes Ta Yes Ta n +. It \&Db Ta \&No Ta \&No Ta 1 +. It \&Dd Ta \&No Ta \&No Ta >0 +. It \&Dt Ta \&No Ta \&No Ta n +. It \&Dv Ta Yes Ta Yes Ta n +. It \&Dx Ta Yes Ta Yes Ta n +. It \&Em Ta Yes Ta Yes Ta >0 +. It \&En Ta \&No Ta \&No Ta 0 +. It \&Er Ta Yes Ta Yes Ta >0 +. It \&Es Ta \&No Ta \&No Ta 0 +. It \&Ev Ta Yes Ta Yes Ta n +. It \&Ex Ta \&No Ta \&No Ta 0 +. It \&Fa Ta Yes Ta Yes Ta n +. It \&Fd Ta \&No Ta \&No Ta >0 +. It \&Fl Ta Yes Ta Yes Ta n +. It \&Fn Ta Yes Ta Yes Ta >0 +. It \&Fr Ta \&No Ta \&No Ta n +. It \&Ft Ta Yes Ta Yes Ta n +. It \&Fx Ta Yes Ta Yes Ta n +. It \&Hf Ta \&No Ta \&No Ta n +. It \&Ic Ta Yes Ta Yes Ta >0 +. It \&In Ta \&No Ta \&No Ta n +. It \&Lb Ta \&No Ta \&No Ta 1 +. It \&Li Ta Yes Ta Yes Ta n +. It \&Lk Ta Yes Ta Yes Ta n +. It \&Lp Ta \&No Ta \&No Ta 0 +. It \&Ms Ta Yes Ta Yes Ta >0 +. It \&Mt Ta Yes Ta Yes Ta >0 +. It \&Nm Ta Yes Ta Yes Ta n +. It \&No Ta Yes Ta Yes Ta 0 +. It \&Ns Ta Yes Ta Yes Ta 0 +. It \&Nx Ta Yes Ta Yes Ta n +. It \&Os Ta \&No Ta \&No Ta n +. It \&Ot Ta \&No Ta \&No Ta n +. It \&Ox Ta Yes Ta Yes Ta n +. It \&Pa Ta Yes Ta Yes Ta n +. It \&Pf Ta \&No Ta Yes Ta 1 +. It \&Pp Ta \&No Ta \&No Ta 0 +. It \&Rv Ta \&No Ta \&No Ta 0 +. It \&Sm Ta \&No Ta \&No Ta 1 +. It \&St Ta \&No Ta Yes Ta 1 +. It \&Sx Ta Yes Ta Yes Ta >0 +. It \&Sy Ta Yes Ta Yes Ta >0 +. It \&Tn Ta Yes Ta Yes Ta >0 +. It \&Ud Ta \&No Ta \&No Ta 0 +. It \&Ux Ta Yes Ta Yes Ta n +. It \&Va Ta Yes Ta Yes Ta n +. It \&Vt Ta Yes Ta Yes Ta >0 +. It \&Xr Ta Yes Ta Yes Ta >0, <3 +. It \&br Ta \&No Ta \&No Ta 0 +. It \&sp Ta \&No Ta \&No Ta 1 +. El +. +. .Sh COMPATIBILITY This section documents compatibility with other roff implementations, at this time limited to -.Xr groff 1 . +. Xr groff 1 . The term -.Qq historic groff +. Qq historic groff refers to those versions before the -.Pa doc.tmac +. Pa doc.tmac file re-write -.Pq somewhere between 1.15 and 1.19 . -.\" PARAGRAPH------------ -.Pp -.Bl -dash -compact -.\" LIST-ITEM -.It +. Pq somewhere between 1.15 and 1.19 . +. Pp +. Bl -dash -compact +. It The -.Sq \-split +. Sq \-split or -.Sq \-nosplit +. Sq \-nosplit argument to -.Sq \&An +. Sq \&An applies to the whole document, not just to the current section as it does in groff. -.\" LIST-ITEM -.It +. It In quoted literals, groff allowed pair-wise double-quotes to produce a standalone double-quote in formatted output. This idiosyncratic behaviour is no longer applicable. -.\" LIST-ITEM -.It +. It The -.Sq \&sp +. Sq \&sp macro does not accept negative numbers. -.\" LIST-ITEM -.It +. It Blocks of whitespace are stripped from both macro and free-form text lines (except when in literal mode), while groff would retain whitespace in free-form text lines. -.\" LIST-ITEM -.It +. It Historic groff has many un-callable macros. Most of these (excluding some block-level macros) are now callable, conforming to the non-historic groff version. -.\" LIST-ITEM -.It +. It The vertical bar -.Sq \(ba +. Sq \(ba made historic groff -.Qq go orbital +. Qq go orbital but is a proper delimiter in this implementation. -.\" LIST-ITEM -.It -.Sq \&It \-nested +. It +. Sq \&It \-nested is assumed for all lists (it wasn't in historic groff): any list may be nested and -.Sq \-enum +. Sq \-enum lists will restart the sequence only for the sub-list. -.\" LIST-ITEM -.It -.Sq \&It \-column +. It +. Sq \&It \-column syntax where column widths may be preceded by other arguments (instead of proceeded) is not supported. -.\" LIST-ITEM -.It +. It The -.Sq \&At +. Sq \&At macro only accepts a single parameter. -.\" LIST-ITEM -.It +. It Some manuals use -.Sq \&Li +. Sq \&Li incorrectly by following it with a reserved character and expecting the delimiter to render. This is not supported. -.\" LIST-ITEM -.It +. It In groff, the -.Sq \&Fo +. Sq \&Fo macro only produces the first parameter. This is no longer the case. -.El -.\" SECTION--------------------------------------------- +. El +. +. .Sh SEE ALSO -.Xr mandoc 1 , -.Xr mandoc_char 7 -.\" SECTION--------------------------------------------- +. Xr mandoc 1 , +. Xr mandoc_char 7 +. +. .Sh AUTHORS The -.Nm +. Nm reference was written by -.An Kristaps Dzonsons Aq kristaps@kth.se . -.\" SECTION--------------------------------------------- +. An Kristaps Dzonsons Aq kristaps@kth.se . +. +. .Sh CAVEATS There are many ambiguous parts of mdoc. -.\" PARAGRAPH------------ -.Pp -.Bl -dash -compact -.\" LIST-ITEM -.It -.Sq \&Fa +. Pp +. Bl -dash -compact +. It +. Sq \&Fa should be -.Sq \&Va +. Sq \&Va as function arguments are variables. -.\" LIST-ITEM -.It -.Sq \&Ft +. It +. Sq \&Ft should be -.Sq \&Vt +. Sq \&Vt as function return types are still types. Furthermore, the -.Sq \&Ft +. Sq \&Ft should be removed and -.Sq \&Fo , +. Sq \&Fo , which ostensibly follows it, should follow the same convention as -.Sq \&Va . -.\" LIST-ITEM -.It -.Sq \&Va +. Sq \&Va . +. It +. Sq \&Va should formalise that only one or two arguments are acceptable: a variable name and optional, preceding type. -.\" LIST-ITEM -.It -.Sq \&Fd +. It +. Sq \&Fd is ambiguous. It's commonly used to indicate an include file in the synopsis section. -.Sq \&In +. Sq \&In should be used, instead. -.\" LIST-ITEM -.It +. It Only the -.Sq \-literal +. Sq \-literal argument to -.Sq \&Bd +. Sq \&Bd makes sense. The remaining ones should be removed. -.\" LIST-ITEM -.It +. It The -.Sq \&Xo +. Sq \&Xo and -.Sq \&Xc +. Sq \&Xc macros should be deprecated. -.\" LIST-ITEM -.It +. It The -.Sq \&Dt +. Sq \&Dt macro lacks clarity. It should be absolutely clear which title will render when formatting the manual page. -.\" LIST-ITEM -.It +. It A -.Sq \&Lx +. Sq \&Lx should be provided for Linux (\(`a la -.Sq \&Ox , -.Sq \&Nx +. Sq \&Ox , +. Sq \&Nx etc.). -.\" LIST-ITEM -.It +. It There's no way to refer to references in -.Sq \&Rs/Re +. Sq \&Rs/Re blocks. -.\" LIST-ITEM -.It +. It The \-split and \-nosplit dictates via -.Sq \&An +. Sq \&An are re-set when entering and leaving the AUTHORS section. -.El +. El +. |