=================================================================== RCS file: /cvs/mandoc/roff.7,v retrieving revision 1.3 retrieving revision 1.8 diff -u -p -r1.3 -r1.8 --- mandoc/roff.7 2010/05/17 00:37:26 1.3 +++ mandoc/roff.7 2010/06/01 11:54:23 1.8 @@ -1,4 +1,4 @@ -.\" $Id: roff.7,v 1.3 2010/05/17 00:37:26 kristaps Exp $ +.\" $Id: roff.7,v 1.8 2010/06/01 11:54:23 kristaps Exp $ .\" .\" Copyright (c) 2010 Kristaps Dzonsons .\" @@ -14,7 +14,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: May 17 2010 $ +.Dd $Mdocdate: June 1 2010 $ .Dt ROFF 7 .Os .Sh NAME @@ -90,13 +90,51 @@ The syntax of this macro is the same as that of .Sx \&ig , except that a leading argument must be specified. It is ignored, as are its children. +.Ss \&ds +Define a string. +This macro is intended to have two arguments, +the name of the string to define and its content. +Currently, it is ignored including its arguments, +and the number of arguments is not checked. .Ss \&de1 The syntax of this macro is the same as that of .Sx \&ig , except that a leading argument must be specified. It is ignored, as are its children. +.Ss \&el +The +.Qq else +half of an if/else conditional. +Pops a result off the stack of conditional evaluations pushed by +.Sx \&ie +and uses it as its conditional. +If no stack entries are present (e.g., due to no prior +.Sx \&ie +calls) +then false is assumed. +The syntax of this macro is similar to +.Sx \&if +except that the conditional is missing. +.Ss \&ie +The +.Qq if +half of an if/else conditional. +The result of the conditional is pushed into a stack used by subsequent +invocations of +.Sx \&el , +which may be separated by any intervening input (or not exist at all). +Its syntax is equivalent to +.Sx \&if . .Ss \&if -Begins a conditional that always evaluates to false. +Begins a conditional. +Right now, the conditional evaluates to true +if and only if it starts with the letter +.Sy n , +indicating processing in +.Xr nroff 1 +style as opposed to +.Xr troff 1 +style. If a conditional is false, its children are not processed, but are syntactically interpreted to preserve the integrity of the input document. @@ -169,7 +207,9 @@ macro is discarded. Furthermore, if an explicit closing sequence .Sq \e} is specified in a free-form line, the entire line is accepted within the -scope of the prior macro, not only the text preceding the close. +scope of the prior macro, not only the text preceding the close, with the +.Sq \e} +collapsing into a zero-width space. .Ss \&ig Ignore input. Accepts the following syntax: @@ -211,6 +251,18 @@ the subsequent invocation of .Sx \&if will first signify the end of comment, then be invoked as a macro. This behaviour really shouldn't be counted upon. +.Ss \&rm +Remove a request, macro or string. +This macro is intended to have one argument, +the name of the request, macro or string to be undefined. +Currently, it is ignored including its arguments, +and the number of arguments is not checked. +.Ss \&tr +Output character translation. +This macro is intended to have one argument, +consisting of an even number of characters. +Currently, it is ignored including its arguments, +and the number of arguments is not checked. .Sh COMPATIBILITY This section documents compatibility between mandoc and other other troff implementations, at this time limited to GNU troff @@ -228,6 +280,11 @@ Historic groff did not accept white-space buffering th for the .Sx \&ig macro. +.It +The +.Sx \&if +and family would print funny white-spaces with historic groff when +depending on next-line syntax. .El .Sh AUTHORS The