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-rw-r--r--redshift.13
1 files changed, 3 insertions, 0 deletions
diff --git a/redshift.1 b/redshift.1
index 8847ab8..34b59ea 100644
--- a/redshift.1
+++ b/redshift.1
@@ -141,6 +141,9 @@ Gamma adjustment to apply at daytime
\fBgamma-night\fR = \fIR\fB:\fIG\fB:\fIB\fR
Gamma adjustment to apply at night
.TP
+\fBpreserve-gamma\fR = \fI0 or 1\fR
+Reset existing gamma ramps before applying new color effect. (On by default)
+.TP
\fBadjustment\-method\fR = \fIname\fR
Select adjustment method. Options for the adjustment method can be
given under the configuration file heading of the same name.