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[groff] 01/01: doc/groff.texi: Follow up Savannah #63777.

From: G. Branden Robinson
Subject: [groff] 01/01: doc/groff.texi: Follow up Savannah #63777.
Date: Tue, 14 Feb 2023 20:56:16 -0500 (EST)

gbranden pushed a commit to branch master
in repository groff.

commit 87d0b5e0ef2733f53a856f27c70fabac216f68cd
Author: G. Branden Robinson <>
AuthorDate: Tue Feb 14 19:42:59 2023 -0600

    doc/groff.texi: Follow up Savannah #63777.
    Discuss more details of break behavior per discussion with Dave.
 doc/groff.texi | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/doc/groff.texi b/doc/groff.texi
index 3bd029003..ccc1a87f1 100644
--- a/doc/groff.texi
+++ b/doc/groff.texi
@@ -7878,11 +7878,11 @@ Indicator of output device selection (Boolean-valued); 
 @cindex @code{sp} request, causing implicit break
 @cindex @code{ti} request, causing implicit break
 @cindex @code{trf} request, causing implicit break
-A break updates the drawing position per the page offset, indentation,
-vertical spacing, and page length, interrupting filling.  Various ways
-of causing breaks were shown in @ref{Breaking}.  The @code{br} request
-likewise causes a break.  A break is implied by several other
-requests:@: @code{bp}, @code{ce}, @code{cf}, @code{fi}, @code{fl},
+When an output line is pending (see below), a break moves the drawing
+position to the beginning of the next text baseline, interrupting
+filling.  Various ways of causing breaks were shown in @ref{Breaking}.
+The @code{br} request likewise causes a break.  Several other requests
+imply breaks:@: @code{bp}, @code{ce}, @code{cf}, @code{fi}, @code{fl},
 @code{in}, @code{nf}, @code{rj}, @code{sp}, @code{ti}, and @code{trf}.
 If the no-break control character is used with any of these requests,
 GNU @code{troff} suppresses the break; instead the requested operation
@@ -7910,7 +7910,10 @@ to be @dfn{pending} if some input has been collected but 
an output line
 corresponding to it has not yet been written; such an output line is
 also termed @dfn{partially collected}.  If no output line is pending, it
 is as if a break has already happened; additional breaks, whether
-explicit or implicit, have no effect.
+explicit or implicit, have no effect.  If the vertical drawing
+position is negative---as it is when the formatter starts up---a break
+starts a new page (even if no output line is pending) unless an
+end-of-input macro is being interpreted.  @xref{End-of-input Traps}.
 @Defreq {br, }
 Break the line: emit any pending output line without adjustment.

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