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-rwxr-xr-xtool/instruction.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/tool/instruction.rb b/tool/instruction.rb
index 45117950cf..57dc923005 100755
--- a/tool/instruction.rb
+++ b/tool/instruction.rb
@@ -1,7 +1,8 @@
#!./miniruby
# -*- coding: us-ascii -*-
#
-#
+# This library is used by insns2vm.rb as part of autogenerating
+# instruction files with .inc extensions like insns.inc and vm.inc.
require 'erb'
$:.unshift(File.dirname(__FILE__))