Fix highlighting of required trailing keyword parameters

dkearns · dkearns · commit 25074cbdda1a · 2019-04-04T22:19:28.000+11:00
E.g., def foo bar:; end
diff --git a/spec/syntax/methods_spec.rb b/spec/syntax/methods_spec.rb
@@ -29,4 +29,10 @@ def foo bar=:baz
       end
     EOF
   end
+
+  specify "unparenthesised method parameters with a required trailing keyword then semicolon" do
+    assert_correct_highlighting <<~'EOF', 'bar', 'rubySymbol'
+      def foo bar:; end
+    EOF
+  end
 end
diff --git a/syntax/ruby.vim b/syntax/ruby.vim
@@ -461,9 +461,9 @@ if !exists("ruby_no_special_methods")
 endif
 syn match rubyDefinedOperator "\<defined?" display
 
-" More Symbols {{{1
+" More Symbols - 1.9-style hash keys and keyword parameters {{{1
 syn match rubySymbol "\%([{(|,]\_s*\)\@<=\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[?!]\=::\@!"he=e-1
-syn match rubySymbol "[]})\"':]\@1<!\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],]\@="he=e-1
+syn match rubySymbol "[]})\"':]\@1<!\<\%(\h\|[^\x00-\x7F]\)\%(\w\|[^\x00-\x7F]\)*[!?]\=:[[:space:],;]\@="he=e-1
 
 " __END__ Directive {{{1
 SynFold '__END__' syn region rubyData matchgroup=rubyDataDirective start="^__END__$" end="\%$"
