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-rw-r--r--man/groff_diff.man20
1 files changed, 16 insertions, 4 deletions
diff --git a/man/groff_diff.man b/man/groff_diff.man
index 8944c260..6cec4a5a 100644
--- a/man/groff_diff.man
+++ b/man/groff_diff.man
@@ -3,7 +3,7 @@
.ig
groff_diff.man
-Last update : 11 May 2002
+Last update : 22 May 2002
This file is part of groff, the GNU roff type-setting system.
It is the source of the man-page groff_diff(7).
@@ -495,6 +495,8 @@ escape sequence is the only way to use these.
.
.TP
.BI \[rs]O n
+.TQ
+.BI \[rs]O[ n ]
Suppressing troff output.
.
The escapes
@@ -545,12 +547,20 @@ encompassing the glyphs previously written since the last call to
.B \[rs]O3
Begin a nesting level.
.
+At start-up,
+.B troff
+is at outer level.
+.
This is really an internal mechanism for
.B \%grohtml
while producing images.
.
-They are generated by running the troff source through troff to the
-postscript device and ghostscript to produce images in PNG format.
+They are generated by running the troff source through
+.B troff
+to the postscript device and
+.B ghostscript
+to produce images in PNG format.
+.
The
.B \[rs]O3
escape will start a new page if the device is not html (to reduce the
@@ -559,6 +569,7 @@ possibility of images crossing a page boundary).
.TP
.B \[rs]O4
End a nesting level.
+.
.TP
.BI \[rs]O5[ Pfilename ]
This escape is
@@ -571,8 +582,9 @@ to stderr.
.
The position of the image,
.IR P ,
-must be specified and must be one of l, r, c or i (left, right,
+must be specified and must be one of l, r, c, or i (left, right,
centered, inline).
+.
.I filename
will be associated with the production of the next inline image.
.RE