✅ Block incompatible rdoc version

nevans · nevans · commit ceeb92a23195 · 2026-04-23T15:52:34.000-04:00
rdoc 7.2.0 lists >=2.6 as it's required ruby version, but it isn't tested in CI, and it is broken. See ruby/rdoc#1683.
diff --git a/Gemfile b/Gemfile
@@ -5,5 +5,5 @@ source "https://rubygems.org"
 gemspec
 
 gem "rake"
-gem "rdoc"
+gem "rdoc", "<7.2" # incompatible with ruby 2.6
 gem "test-unit"
