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Diff for /mandoc/mdoc.7 between version 1.18 and 1.31

version 1.18, 2009/03/27 13:44:24 version 1.31, 2009/06/22 12:22:35
Line 1 
Line 1 
 .\" $Id$  .\"     $Id$
 .\"  .\"
 .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@openbsd.org>  .\" Copyright (c) 2009 Kristaps Dzonsons <kristaps@kth.se>
 .\"  .\"
 .\" Permission to use, copy, modify, and distribute this software for any  .\" Permission to use, copy, modify, and distribute this software for any
 .\" purpose with or without fee is hereby granted, provided that the  .\" purpose with or without fee is hereby granted, provided that the above
 .\" above copyright notice and this permission notice appear in all  .\" copyright notice and this permission notice appear in all copies.
 .\" copies.  
 .\"  .\"
 .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL  .\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 .\" WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED  .\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 .\" WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE  .\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 .\" AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL  .\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 .\" DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR  .\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 .\" PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER  .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR  .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\" PERFORMANCE OF THIS SOFTWARE.  
 .\"  .\"
 .Dd $Mdocdate$  .Dd $Mdocdate$
 .Dt mdoc 7  .Dt MDOC 7
 .Os  .Os
 .\" SECTION  .\" SECTION
 .Sh NAME  .Sh NAME
Line 33  language is used to format 
Line 31  language is used to format 
 manuals.  In this reference document, we describe the syntax, ontology  manuals.  In this reference document, we describe the syntax, ontology
 and structure of the  and structure of the
 .Nm  .Nm
 language.  language.  Our reference implementation is
   .Xr mandoc 1 .
   The
   .Sx COMPATIBILITY
   section describes compatibility with
   .Xr groff 1 .
 .\" PARAGRAPH  .\" PARAGRAPH
 .Pp  .Pp
 An  An
Line 75  or
Line 78  or
 .Sq \&.Bd \-unfilled  .Sq \&.Bd \-unfilled
 contexts.  contexts.
 .\" SUB-SECTION  .\" SUB-SECTION
   .Ss Comments
   Anything following a
   .Sq \e"
   delimiter is considered a comment (unless the
   .Sq \e
   itself has been escaped) and is ignored to the end of line.
   Furthermore, a macro line with only a control character
   .Sq \. ,
   optionally followed by whitespace, is ignored.
   .\" SUB-SECTION
 .Ss Reserved Characters  .Ss Reserved Characters
 Within a macro line, the following characters are reserved:  Within a macro line, the following characters are reserved:
 .Bl -tag -width 12n -offset XXXX -compact  .Bl -tag -width Ds -offset XXXX -compact
 .It \&.  .It \&.
 .Pq period  .Pq period
 .It \&,  .It \&,
Line 98  Within a macro line, the following characters are rese
Line 111  Within a macro line, the following characters are rese
 .Pq question  .Pq question
 .It \&!  .It \&!
 .Pq exclamation  .Pq exclamation
   .It \&|
   .Pq vertical bar
 .El  .El
 .\" PARAGRAPH  .\" PARAGRAPH
 .Pp  .Pp
Line 122  or a single one-character sequence.
Line 137  or a single one-character sequence.
 Characters may alternatively be escaped by a slash-asterisk,  Characters may alternatively be escaped by a slash-asterisk,
 .Sq \e* ,  .Sq \e* ,
 with the same combinations as described above.  This form is deprecated.  with the same combinations as described above.  This form is deprecated.
 .Pp  
 The following is a table of all available escapes.  
 .Pp  
 Grammatic:  
 .Bl -tag -width 12n -offset "XXXX" -compact  
 .It \e(em  
 .Pq em-dash  
 .It \e(en  
 .Pq en-dash  
 .It \e-  
 .Pq hyphen  
 .It \e\e  
 .Pq back-slash  
 .It \e'  
 .Pq apostrophe  
 .It \e`  
 .Pq back-tick  
 .It \e  
 .Pq space  
 .It \e.  
 .Pq period  
 .It \e(r!  
 .Pq upside-down exclamation  
 .It \e(r?  
 .Pq upside-down question  
 .El  
 .\" PARAGRAPH  
 .Pp  
 Enclosures:  
 .Bl -tag -width 12n -offset "XXXX" -compact  
 .It \e(lh  
 .Pq left hand  
 .It \e(rh  
 .Pq right hand  
 .It \e(Fo  
 .Pq left guillemet  
 .It \e(Fc  
 .Pq right guillemet  
 .It \e(fo  
 .Pq left guilsing  
 .It \e(fc  
 .Pq right guilsing  
 .It \e(rC  
 .Pq right brace  
 .It \e(lC  
 .Pq left brace  
 .It \e(ra  
 .Pq right angle  
 .It \e(la  
 .Pq left angle  
 .It \e(rB  
 .Pq right bracket  
 .It \e(lB  
 .Pq left bracket  
 .It \eq  
 .Pq double-quote  
 .It \e(lq  
 .Pq left double-quote  
 .It \e(Lq  
 .Pq left double-quote, deprecated  
 .It \e(rq  
 .Pq right double-quote  
 .It \e(Rq  
 .Pq right double-quote, deprecated  
 .It \e(oq  
 .Pq left single-quote  
 .It \e(aq  
 .Pq right single-quote  
 .It \e(Bq  
 .Pq right low double-quote  
 .It \e(bq  
 .Pq right low single-quote  
 .El  
 .\" PARAGRAPH  
 .Pp  
 Indicatives:  
 .Bl -tag -width 12n -offset "XXXX" -compact  
 .It \e(<-  
 .Pq left arrow  
 .It \e(->  
 .Pq right arrow  
 .It \e(ua  
 .Pq up arrow  
 .It \e(da  
 .Pq down arrow  
 .It \e(<>  
 .Pq left-right arrow  
 .It \e(lA  
 .Pq left double-arrow  
 .It \e(rA  
 .Pq right double-arrow  
 .It \e(uA  
 .Pq up double-arrow  
 .It \e(dA  
 .Pq down double-arrow  
 .It \e(hA  
 .Pq left-right double-arrow  
 .El  
 .\" PARAGRAPH  
 .Pp  
 Mathematical:  
 .Bl -tag -width 12n -offset "XXXX" -compact  
 .It \e(es  
 .Pq empty set  
 .It \e(ca  
 .Pq intersection  
 .It \e(cu  
 .Pq union  
 .It \e(gr  
 .Pq gradient  
 .It \e(pd  
 .Pq partial differential  
 .It \e(ap  
 .Pq similarity  
 .It \e(=)  
 .Pq proper superset  
 .It \e((=  
 .Pq proper subset  
 .It \e(eq  
 .Pq equals  
 .It \e(di  
 .Pq division  
 .It \e(mu  
 .Pq multiplication  
 .It \e(pl  
 .Pq addition  
 .It \e(nm  
 .Pq not element  
 .It \e(mo  
 .Pq element  
 .It \e(Im  
 .Pq imaginary  
 .It \e(Re  
 .Pq real  
 .It \e(Ah  
 .Pq aleph  
 .It \e(te  
 .Pq existential quantifier  
 .It \e(fa  
 .Pq universal quantifier  
 .It \e(AN  
 .Pq logical AND  
 .It \e(OR  
 .Pq logical OR  
 .It \e(no  
 .Pq logical NOT  
 .It \e(st  
 .Pq such that  
 .It \e(tf  
 .Pq therefore  
 .It \e(~~  
 .Pq approximate  
 .It \e(~=  
 .Pq approximately equals  
 .It \e(=~  
 .Pq congruent  
 .It \e(Gt  
 .Pq greater-than, deprecated  
 .It \e(Lt  
 .Pq less-than, deprecated  
 .It \e(<=  
 .Pq less-than-equal  
 .It \e(Le  
 .Pq less-than-equal, deprecated  
 .It \e(>=  
 .Pq greater-than-equal  
 .It \e(Ge  
 .Pq greater-than-equal  
 .It \e(==  
 .Pq equal  
 .It \e(!=  
 .Pq not equal  
 .It \e(Ne  
 .Pq not equal, deprecated  
 .It \e(if  
 .Pq infinity  
 .It \e(If  
 .Pq infinity, deprecated  
 .It \e(na  
 .Pq NaN , an extension  
 .It \e(Na  
 .Pq NaN, deprecated  
 .It \e(+-  
 .Pq plus-minus  
 .It \e(Pm  
 .Pq plus-minus, deprecated  
 .It \e(**  
 .Pq asterisk  
 .El  
 .\" PARAGRAPH  
 .Pp  
 Ligatures:  
 .Bl -tag -width 12n -offset "XXXX" -compact  
 .It \e(ss  
 .Pq German eszett  
 .It \e(AE  
 .Pq upper-case AE  
 .It \e(ae  
 .Pq lower-case AE  
 .It \e(OE  
 .Pq upper-case OE  
 .It \e(oe  
 .Pq lower-case OE  
 .It \e(ff  
 .Pq ff ligature  
 .It \e(fi  
 .Pq fi ligature  
 .It \e(fl  
 .Pq fl ligature  
 .It \e(Fi  
 .Pq ffi ligature  
 .It \e(Fl  
 .Pq ffl ligature  
 .El  
 .\" PARAGRAPH  
 .Pp  
 Diacritics and letters:  
 .Bl -tag -width 12n -offset "XXXX" -compact  
 .It \e(ga  
 .Pq grave accent  
 .It \e(aa  
 .Pq accute accent  
 .It \e(a"  
 .Pq umlaut accent  
 .It \e(ad  
 .Pq dieresis accent  
 .It \e(a~  
 .Pq tilde accent  
 .It \e(a^  
 .Pq circumflex accent  
 .It \e(ac  
 .Pq cedilla accent  
 .It \e(ad  
 .Pq dieresis accent  
 .It \e(ah  
 .Pq caron accent  
 .It \e(ao  
 .Pq ring accent  
 .It \e(ho  
 .Pq hook accent  
 .It \e(ab  
 .Pq breve accent  
 .It \e(a-  
 .Pq macron accent  
 .It \e(-D  
 .Pq upper-case eth  
 .It \e(Sd  
 .Pq lower-case eth  
 .It \e(TP  
 .Pq upper-case thorn  
 .It \e(Tp  
 .Pq lower-case thorn  
 .It \e('A  
 .Pq upper-case acute A  
 .It \e('E  
 .Pq upper-case acute E  
 .It \e('I  
 .Pq upper-case acute I  
 .It \e('O  
 .Pq upper-case acute O  
 .It \e('U  
 .Pq upper-case acute U  
 .It \e('a  
 .Pq lower-case acute a  
 .It \e('e  
 .Pq lower-case acute e  
 .It \e('i  
 .Pq lower-case acute i  
 .It \e('o  
 .Pq lower-case acute o  
 .It \e('u  
 .Pq lower-case acute u  
 .It \e(`A  
 .Pq upper-case grave A  
 .It \e(`E  
 .Pq upper-case grave E  
 .It \e(`I  
 .Pq upper-case grave I  
 .It \e(`O  
 .Pq upper-case grave O  
 .It \e(`U  
 .Pq upper-case grave U  
 .It \e(`a  
 .Pq lower-case grave a  
 .It \e(`e  
 .Pq lower-case grave e  
 .It \e(`i  
 .Pq lower-case grave i  
 .It \e(`o  
 .Pq lower-case grave o  
 .It \e(`u  
 .Pq lower-case grave u  
 .It \e(~A  
 .Pq upper-case tilde A  
 .It \e(~N  
 .Pq upper-case tilde N  
 .It \e(~O  
 .Pq upper-case tilde O  
 .It \e(~a  
 .Pq lower-case tilde a  
 .It \e(~n  
 .Pq lower-case tilde n  
 .It \e(~o  
 .Pq lower-case tilde o  
 .It \e(:A  
 .Pq upper-case dieresis A  
 .It \e(:E  
 .Pq upper-case dieresis E  
 .It \e(:I  
 .Pq upper-case dieresis I  
 .It \e(:O  
 .Pq upper-case dieresis O  
 .It \e(:U  
 .Pq upper-case dieresis U  
 .It \e(:a  
 .Pq lower-case dieresis a  
 .It \e(:e  
 .Pq lower-case dieresis e  
 .It \e(:i  
 .Pq lower-case dieresis i  
 .It \e(:o  
 .Pq lower-case dieresis o  
 .It \e(:u  
 .Pq lower-case dieresis u  
 .It \e(:y  
 .Pq lower-case dieresis y  
 .It \e(^A  
 .Pq upper-case circumflex A  
 .It \e(^E  
 .Pq upper-case circumflex E  
 .It \e(^I  
 .Pq upper-case circumflex I  
 .It \e(^O  
 .Pq upper-case circumflex O  
 .It \e(^U  
 .Pq upper-case circumflex U  
 .It \e(^a  
 .Pq lower-case circumflex a  
 .It \e(^e  
 .Pq lower-case circumflex e  
 .It \e(^i  
 .Pq lower-case circumflex i  
 .It \e(^o  
 .Pq lower-case circumflex o  
 .It \e(^u  
 .Pq lower-case circumflex u  
 .It \e(,C  
 .Pq upper-case cedilla C  
 .It \e(,c  
 .Pq lower-case cedilla c  
 .It \e(/L  
 .Pq upper-case stroke L  
 .It \e(/l  
 .Pq lower-case stroke l  
 .It \e(/O  
 .Pq upper-case stroke O  
 .It \e(/o  
 .Pq lower-case stroke o  
 .It \e(oA  
 .Pq upper-case ring A  
 .It \e(oa  
 .Pq lower-case ring a  
 .El  
 .\" PARAGRAPH  
 .Pp  
 Monetary:  
 .Bl -tag -width 12n -offset "XXXX" -compact  
 .It \e(Cs  
 .Pq Scandinavian  
 .It \e(Do  
 .Pq dollar  
 .It \e(Po  
 .Pq pound  
 .It \e(Ye  
 .Pq yen  
 .It \e(Fn  
 .Pq florin  
 .It \e(ct  
 .Pq cent  
 .El  
 .\" PARAGRAPH  
 .Pp  
 Special symbols:  
 .Bl -tag -width 12n -offset "XXXX" -compact  
 .It \e0  
 .Pq white-space  
 .It \e(de  
 .Pq degree  
 .It \e(ps  
 .Pq paragraph  
 .It \e(sc  
 .Pq section  
 .It \e(dg  
 .Pq dagger  
 .It \e(dd  
 .Pq double dagger  
 .It \e(ci  
 .Pq circle  
 .It \e(ba  
 .Pq bar  
 .It \e(bb  
 .Pq broken bar  
 .It \e(Ba  
 .Pq bar, deprecated  
 .It \e(co  
 .Pq copyright  
 .It \e(rg  
 .Pq registered  
 .It \e(tm  
 .Pq trademarked  
 .It \e&  
 .Pq non-breaking space  
 .It \ee  
 .Pq escape  
 .It \e(Am  
 .Pq ampersand, deprecated  
 .El  
 .\" SECTION  .\" SECTION
 .Sh STRUCTURE  .Sh STRUCTURE
 Macros are classified in an ontology described by their scope rules.  Macros are classified in an ontology described by their scope rules.
Line 703  some 
Line 301  some 
 .Pc  .Pc
 don't have heads.  don't have heads.
 .Pp  .Pp
 .Bl -column "MacroX" "CallableX" "ParsableX" "Closing" -compact -offset XXXX  .Bl -column -compact -offset XXXX "MacroX" "CallableX" "ParsableX" "Closing"
 .It Em Macro Ta Em Callable Ta Em Parsable Ta Em Closing  .It Em Macro Ta Em Callable Ta Em Parsable Ta Em Closing
 .It \&.Sh    Ta    \&No    Ta    \&No    Ta    \&.Sh  .It \&.Sh    Ta    \&No    Ta    \&No    Ta    \&.Sh
 .It \&.Ss    Ta    \&No    Ta    \&No    Ta    \&.Sh, \&.Ss  .It \&.Ss    Ta    \&No    Ta    \&No    Ta    \&.Sh, \&.Ss
Line 715  None of these macros are callable or parsed.  The last
Line 313  None of these macros are callable or parsed.  The last
 the explicit scope rules.  All contains bodies, some may contain heads  the explicit scope rules.  All contains bodies, some may contain heads
 .Pq So \&Bf Sc .  .Pq So \&Bf Sc .
 .Pp  .Pp
 .Bl -column "MacroX" "CallableX" "ParsableX" "closed by XXX" -compact -offset XXXX  .Bl -column -compact -offset XXXX "MacroX" "CallableX" "ParsableX" "closed by XXX"
 .It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope  .It Em Macro Ta Em Callable Ta Em Parsable Ta Em Scope
 .It \&.Bd    Ta    \&No    Ta    \&No    Ta    closed by \&.Ed  .It \&.Bd    Ta    \&No    Ta    \&No    Ta    closed by \&.Ed
 .It \&.Ed    Ta    \&No    Ta    \&No    Ta    opened by \&.Bd  .It \&.Ed    Ta    \&No    Ta    \&No    Ta    opened by \&.Bd
Line 812  then the macro accepts an arbitrary number of argument
Line 410  then the macro accepts an arbitrary number of argument
 .It \&.Os    Ta    \&No  Ta    \&No    Ta    n  .It \&.Os    Ta    \&No  Ta    \&No    Ta    n
 .It \&.Pp    Ta    \&No  Ta    \&No    Ta    0  .It \&.Pp    Ta    \&No  Ta    \&No    Ta    0
 .It \&.Ad    Ta    Yes   Ta    Yes     Ta    n  .It \&.Ad    Ta    Yes   Ta    Yes     Ta    n
 .It \&.An    Ta    \&No  Ta    Yes     Ta    n  .It \&.An    Ta    Yes   Ta    Yes     Ta    n
 .It \&.Ar    Ta    Yes   Ta    Yes     Ta    n  .It \&.Ar    Ta    Yes   Ta    Yes     Ta    n
 .It \&.Cd    Ta    Yes   Ta    \&No    Ta    >0  .It \&.Cd    Ta    Yes   Ta    \&No    Ta    >0
 .It \&.Cm    Ta    Yes   Ta    Yes     Ta    n  .It \&.Cm    Ta    Yes   Ta    Yes     Ta    n
Line 824  then the macro accepts an arbitrary number of argument
Line 422  then the macro accepts an arbitrary number of argument
 .It \&.Fd    Ta    \&No  Ta    \&No    Ta    >0  .It \&.Fd    Ta    \&No  Ta    \&No    Ta    >0
 .It \&.Fl    Ta    Yes   Ta    Yes     Ta    n  .It \&.Fl    Ta    Yes   Ta    Yes     Ta    n
 .It \&.Fn    Ta    Yes   Ta    Yes     Ta    >0  .It \&.Fn    Ta    Yes   Ta    Yes     Ta    >0
 .It \&.Ft    Ta    \&No  Ta    Yes     Ta    n  .It \&.Ft    Ta    Yes   Ta    Yes     Ta    n
 .It \&.Ic    Ta    Yes   Ta    Yes     Ta    >0  .It \&.Ic    Ta    Yes   Ta    Yes     Ta    >0
 .It \&.In    Ta    \&No  Ta    \&No    Ta    n  .It \&.In    Ta    \&No  Ta    \&No    Ta    n
 .It \&.Li    Ta    Yes   Ta    Yes     Ta    n  .It \&.Li    Ta    Yes   Ta    Yes     Ta    n
Line 853  then the macro accepts an arbitrary number of argument
Line 451  then the macro accepts an arbitrary number of argument
 .It \&.Bsx   Ta    Yes   Ta    Yes     Ta    n  .It \&.Bsx   Ta    Yes   Ta    Yes     Ta    n
 .It \&.Bx    Ta    Yes   Ta    Yes     Ta    n  .It \&.Bx    Ta    Yes   Ta    Yes     Ta    n
 .It \&.Db    Ta    \&No  Ta    \&No    Ta    1  .It \&.Db    Ta    \&No  Ta    \&No    Ta    1
 .It \&.Em    Ta    Yes   Ta    Yes     Ta    n  .It \&.Em    Ta    Yes   Ta    Yes     Ta    >0
 .It \&.Fx    Ta    Yes   Ta    Yes     Ta    n  .It \&.Fx    Ta    Yes   Ta    Yes     Ta    n
 .It \&.Ms    Ta    \&No  Ta    Yes     Ta    >0  .It \&.Ms    Ta    Yes   Ta    Yes     Ta    >0
 .It \&.No    Ta    Yes   Ta    Yes     Ta    0  .It \&.No    Ta    Yes   Ta    Yes     Ta    0
 .It \&.Ns    Ta    Yes   Ta    Yes     Ta    0  .It \&.Ns    Ta    Yes   Ta    Yes     Ta    0
 .It \&.Nx    Ta    Yes   Ta    Yes     Ta    n  .It \&.Nx    Ta    Yes   Ta    Yes     Ta    n
Line 874  then the macro accepts an arbitrary number of argument
Line 472  then the macro accepts an arbitrary number of argument
 .It \&.Lb    Ta    \&No  Ta    \&No    Ta    1  .It \&.Lb    Ta    \&No  Ta    \&No    Ta    1
 .It \&.Ap    Ta    Yes   Ta    Yes     Ta    0  .It \&.Ap    Ta    Yes   Ta    Yes     Ta    0
 .It \&.Lp    Ta    \&No  Ta    \&No    Ta    0  .It \&.Lp    Ta    \&No  Ta    \&No    Ta    0
 .It \&.Lk    Ta    \&No  Ta    Yes     Ta    >0  .It \&.Lk    Ta    Yes   Ta    Yes     Ta    n
 .It \&.Mt    Ta    \&No  Ta    Yes     Ta    >0  .It \&.Mt    Ta    Yes   Ta    Yes     Ta    >0
 .It \&.Es    Ta    \&No  Ta    \&No    Ta    0  .It \&.Es    Ta    \&No  Ta    \&No    Ta    0
 .It \&.En    Ta    \&No  Ta    \&No    Ta    0  .It \&.En    Ta    \&No  Ta    \&No    Ta    0
 .El  .El
Line 889  and
Line 487  and
 macros are obsolete.  macros are obsolete.
 .\" SECTION  .\" SECTION
 .Sh COMPATIBILITY  .Sh COMPATIBILITY
 The mdoc language was traditionally a  This section documents compatibility with other roff implementations, at
 .Qq roff  this time limited to
 macro package; most existing manuals were written with mdoc syntax  .Xr groff 1 .
 dictated by system-dependent roff installations.  This section documents  The term
 compatibility with these systems.  .Qq historic groff
   refers to those versions before the
   .Pa doc.tmac
   file re-write
   .Pq somewhere between 1.15 and 1.19 .
 .Pp  .Pp
 .Bl -dash -compact  .Bl -dash -compact
 .\" LIST-ITEM  .\" LIST-ITEM
 .It  .It
 .Sq \&.Fo  Historic groff has many un-callable macros.  Most of these (excluding
 and  some block-level macros) are now callable, conforming to the
 .Sq \&.St  non-historic groff version.
 historically weren't always callable.  Both are now correctly callable.  
 .\" LIST-ITEM  .\" LIST-ITEM
 .It  .It
   The vertical bar
   .Sq \(Ba
   made historic groff
   .Qq go orbital
   but is a proper delimiter in this implementation.
   .\" LIST-ITEM
   .It
 .Sq \&.It \-nested  .Sq \&.It \-nested
 is assumed for all lists: any list may be nested and  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.  lists will restart the sequence only for the sub-list.
 .\" LIST-ITEM  .\" LIST-ITEM
 .It  .It
 .Sq \&.It \-column  .Sq \&.It \-column
 syntax where column widths may be preceeded by other arguments (instead  syntax where column widths may be preceded by other arguments (instead
 of proceeded) is not supported.  of proceeded) is not supported.
 .\" LIST-ITEM  .\" LIST-ITEM
 .It  .It
Line 920  The 
Line 529  The 
 macro only accepts a single parameter.  macro only accepts a single parameter.
 .\" LIST-ITEM  .\" LIST-ITEM
 .It  .It
 The system-name macros (  
 .Ns Sq \&.At ,  
 .Sq \&.Bsx ,  
 .Sq \&.Bx ,  
 .Sq \&.Fx ,  
 .Sq \&.Nx ,  
 .Sq \&.Ox ,  
 and  
 .Sq \&.Ux )  
 are callable.  
 .\" LIST-ITEM  
 .It  
 Some manuals use  Some manuals use
 .Sq \&.Li  .Sq \&.Li
 incorrectly by following it with a reserved character and expecting the  incorrectly by following it with a reserved character and expecting the
 delimiter to render.  This is not supported.  delimiter to render.  This is not supported.
 .\" LIST-ITEM  .\" LIST-ITEM
 .It  .It
 .Sq \&.Cd  If an special-character control character
 is callable.  .Sq \e
   is escaped, it will
   obviously not render the sequence.  Even newer versions of groff seem to
   dither on this.
 .El  .El
 .\" SECTION  .\" SECTION
 .Sh SEE ALSO  .Sh SEE ALSO
 .Xr mandoc 1  .Xr mandoc 1 ,
   .Xr mandoc_char 7
 .\" SECTION  .\" SECTION
 .Sh AUTHORS  .Sh AUTHORS
 The  The
 .Nm  .Nm
 utility was written by  utility was written by
 .An Kristaps Dzonsons Aq kristaps@openbsd.org .  .An Kristaps Dzonsons Aq kristaps@kth.se .
 .\" SECTION  .\" SECTION
 .Sh CAVEATS  .Sh CAVEATS
 There are several ambiguous parts of mdoc.  There are many ambiguous parts of mdoc.
 .Pp  .Pp
 .Bl -dash -compact  .Bl -dash -compact
 .\" LIST-ITEM  .\" LIST-ITEM
Line 976  which ostensibly follows it, should follow the same co
Line 577  which ostensibly follows it, should follow the same co
 .It  .It
 .Sq \&.Va  .Sq \&.Va
 should formalise that only one or two arguments are acceptable: a  should formalise that only one or two arguments are acceptable: a
 variable name and optional, preceeding type.  variable name and optional, preceding type.
 .\" LIST-ITEM  .\" LIST-ITEM
 .It  .It
 .Sq \&.Fd  .Sq \&.Fd
Line 1017  etc.).
Line 618  etc.).
 There's no way to refer to references in  There's no way to refer to references in
 .Sq \&.Rs/.Re  .Sq \&.Rs/.Re
 blocks.  blocks.
   .\" LIST-ITEM
   .It
   The \-split and \-nosplit arguments to
   .Sq \&.An
   are inane.
 .El  .El
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  Added in v.1.31
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