===================================================================
RCS file: /cvs/mandoc/roff.7,v
retrieving revision 1.6
retrieving revision 1.8
diff -u -p -r1.6 -r1.8
--- mandoc/roff.7	2010/05/24 22:25:58	1.6
+++ mandoc/roff.7	2010/06/01 11:54:23	1.8
@@ -1,4 +1,4 @@
-.\"	$Id: roff.7,v 1.6 2010/05/24 22:25:58 schwarze Exp $
+.\"	$Id: roff.7,v 1.8 2010/06/01 11:54:23 kristaps Exp $
 .\"
 .\" Copyright (c) 2010 Kristaps Dzonsons <kristaps@bsd.lv>
 .\"
@@ -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 24 2010 $
+.Dd $Mdocdate: June 1 2010 $
 .Dt ROFF 7
 .Os
 .Sh NAME
@@ -126,7 +126,15 @@ which may be separated by any intervening input (or no
 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.
@@ -199,7 +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:
@@ -249,7 +259,7 @@ 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, 
+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.