=================================================================== RCS file: /cvs/mandoc/eqn.7,v retrieving revision 1.19 retrieving revision 1.22 diff -u -p -r1.19 -r1.22 --- mandoc/eqn.7 2011/07/23 09:47:25 1.19 +++ mandoc/eqn.7 2011/07/23 12:10:16 1.22 @@ -1,4 +1,4 @@ -.\" $Id: eqn.7,v 1.19 2011/07/23 09:47:25 kristaps Exp $ +.\" $Id: eqn.7,v 1.22 2011/07/23 12:10:16 kristaps Exp $ .\" .\" Copyright (c) 2011 Kristaps Dzonsons .\" @@ -72,16 +72,18 @@ box : text | \*qundef\*q text | box pos box | box mark + | \*qmatrix\*q \*q{\*q [col \*q{\*q list \*q}\*q ]* | pile \*q{\*q list \*q}\*q | font box | \*qsize\*q text box | \*qleft\*q text eqn [\*qright\*q text] +col : \*qlcol\*q | \*qrcol\*q | \*qccol\*q text : [^space\e\*q]+ | \e\*q.*\e\*q pile : \*qlpile\*q | \*qcpile\*q | \*qrpile\*q pos : \*qover\*q | \*qsup\*q | \*qsub\*q | \*qto\*q | \*qfrom\*q mark : \*qdot\*q | \*qdotdot\*q | \*qhat\*q | \*qtilde\*q | \*qvec\*q | \*qdyad\*q | \*qbar\*q | \*qunder\*q -font : \*qroman\*q | \*qitalic\*q | \*\*qbold\*q +font : \*qroman\*q | \*qitalic\*q | \*qbold\*q | \*qfat\*q list : eqn | list \*qabove\*q eqn space : [\e^~ \et] @@ -201,6 +203,22 @@ In mandoc, this is interpreted as a comment. In troff, The circumflex and tilde white-space symbols map to fixed-width spaces. In mandoc, these characters are synonyms for the space character. +.It +The troff implementation of +.Nm +allows for equation alignment with the +.Cm mark +and +.Cm lineup +tokens. +mandoc discards these tokens. +The +.Cm back Ar n , +.Cm fwd Ar n , +.Cm up Ar n , +and +.Cm down Ar n +commands are also ignored. .El .Sh SEE ALSO .Xr mandoc 1 ,