commit eecd3e43c17f89bc9d0ffd9e1ce1836a66683b61
author Cristy <urban-warrior@imagemagick.org> Mon Aug 15 18:03:01 2016 -0400
committer Cristy <urban-warrior@imagemagick.org> Mon Aug 15 18:03:01 2016 -0400
tree 0acf3c2e65f7b29a4eca647af443b17efbe68f1d
parent 4cc6ec8a4197d4c008577127736bf7985d632323

...

MagickCore/option.c

diff --git a/MagickCore/option.c b/MagickCore/option.c
index 51ab80f..3910fee 100644
--- a/MagickCore/option.c
+++ b/MagickCore/option.c
@@ -166,6 +166,12 @@
     { "Saturation", GreenChannel, UndefinedOptionFlag, MagickFalse },
     { "Y", YellowChannel, UndefinedOptionFlag, MagickFalse },
     { "Yellow", YellowChannel, UndefinedOptionFlag, MagickFalse },
+    { "0", 0, UndefinedOptionFlag, MagickFalse },
+    { "1", 1, UndefinedOptionFlag, MagickFalse },
+    { "2", 2, UndefinedOptionFlag, MagickFalse },
+    { "3", 3, UndefinedOptionFlag, MagickFalse },
+    { "4", 4, UndefinedOptionFlag, MagickFalse },
+    { "5", 5, UndefinedOptionFlag, MagickFalse },
     { (char *) NULL, UndefinedChannel, UndefinedOptionFlag, MagickFalse }
   },
   ClassOptions[] =