[PATCH] xrandr: Document --nograb option

[Éric Piel]

This documents the --nograb option with whichever I could understand of
the advantages and drawbacks of grabbing the screen.

Also fixes the formatting in the xrandr 1.3 options.
---
 xrandr.man |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/xrandr.man b/xrandr.man
index e3d7daf..1fceeb6 100644
--- a/xrandr.man
+++ b/xrandr.man
@@ -112,6 +112,10 @@ When this option is present, or when no configuration changes are requested,
 xrandr will display the current state of the system. 
 .IP "\-\-dryrun"
 Performs all the actions specified except that no changes are made.
+.IP "\-\-nograb"
+Apply the modifications without grabbing the screen. It avoids to block other
+applications during the update but it might also cause some applications that
+detect screen resize to receive old values.
 .IP "\-d, \-display \fIname\fP"
 This option selects the X display to use. Note this refers to the X
 screen abstraction, not the monitor (or output).
@@ -171,6 +175,7 @@ sin T   cos T   0
 As a special argument, instead of
 passing a matrix, one can pass the string \fInone\fP, in which case the default
 values are used (a unit matrix without filter).
+.RE
 .IP "\-\-scale \fIx\fPx\fIy\fP"
 Changes the dimensions of the output picture. Values superior to 1 will lead to
 a compressed screen (screen dimension bigger than the dimension of the output
-- 
1.6.2.4


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