From 6c2a86fdf04750915de1913bcdc80a8b168918fa Mon Sep 17 00:00:00 2001
From: Thomas White <taw@physics.org>
Date: Thu, 4 Oct 2012 12:18:37 +0200
Subject: render_hkl: Update docs

---
 doc/man/render_hkl.1 | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'doc')

diff --git a/doc/man/render_hkl.1 b/doc/man/render_hkl.1
index 5a254155..89dd57d7 100644
--- a/doc/man/render_hkl.1
+++ b/doc/man/render_hkl.1
@@ -32,6 +32,13 @@ Specify the indices for the downward direction of the resulting plot.  Default:
 .PD
 Specify the indices for the 'right' direction of the resulting plot.  The direction will be approximately to the right, the exact direction depending on the unit cell.  Default: \fB--right=0,1,0\fR.
 
+.PD 0
+.IP "\fB--zone=\fR\fIz\fR
+.PD
+Show reflections for which \fBg\fR.\fBr\fR=\fIz\fR, where \fBg\fR is the
+reflection index (i.e. hkl) and \fBr\fR is the zone axis direction.  \fIz\fR
+hence represents the Laue zone number.
+
 .PD 0
 .IP "\fB-o\fR \fIfilename\fR"
 .IP \fB--output=\fR\fIfilename\fR
-- 
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