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-rw-r--r--doc/globals.rdoc1
1 files changed, 1 insertions, 0 deletions
diff --git a/doc/globals.rdoc b/doc/globals.rdoc
index f880ed005e..d3c3553d4d 100644
--- a/doc/globals.rdoc
+++ b/doc/globals.rdoc
@@ -65,6 +65,7 @@ RUBY_VERSION:: The Ruby language version.
RUBY_RELEASE_DATE:: The release date string.
RUBY_PLATFORM:: The platform identifier.
RUBY_PATCHLEVEL:: The patchlevel for this ruby. If this is a development build of ruby the patchlevel will be -1.
+RUBY_REVISION:: The GIT commit hash for this ruby.
RUBY_COPYRIGHT:: The copyright string for ruby.
RUBY_ENGINE:: The name of the Ruby implementation.
RUBY_ENGINE_VERSION:: The version of the Ruby implementation.