# HG changeset patch
# User Matti Hamalainen <ccr@tnsp.org>
# Date 1588103805 -10800
# Node ID 7b55c7b6a3002dff66df090b0dd7243c37412c8a
# Parent  19e546da038f2d23bfebc0552824e3d85da86c5e
Clarify the help for -R sub-option "max=".

diff -r 19e546da038f -r 7b55c7b6a300 tools/gfxconv.c
--- a/tools/gfxconv.c	Tue Apr 28 22:38:27 2020 +0300
+++ b/tools/gfxconv.c	Tue Apr 28 22:56:45 2020 +0300
@@ -319,11 +319,12 @@
             "  +alpha      Enable alpha value matching in color comparisions.\n"
             "              NOTE! This may result in unexpected behaviour.\n"
             "\n"
-            "  +max=<n.n>  Set the maximum color distance/delta acceptable for\n"
+            "  +max=<f>    Set the maximum color distance/delta acceptable for\n"
             "              matching colors. Default is -1, meaning closest possible\n"
             "              that can be found even if the match is poor. Any value \n"
-            "              above 0 will be considered strict limit, see 'nomatch'\n"
-            "              modifier below.\n"
+            "              above or equal to 0 will be considered strict limit, see\n"
+            "              the 'nomatch' modifier below.\n"
+            "              Range: -1, 0 .. 1.0\n"
             "\n"
             "  +nomatch=<n>\n"
             "              If no acceptable match is found (see +max modifier)\n"