Merge pull request #911 from mojavelinux/issue-903

resolves #903 ignore case of attribute in conditional directives

2 files changed, 15 insertions, 0 deletions

diff --git a/lib/asciidoctor/reader.rb b/lib/asciidoctor/reader.rb
index dbb19ce2..ee96a7e2 100644
--- a/lib/asciidoctor/reader.rb
+++ b/lib/asciidoctor/reader.rb
@@ -698,6 +698,9 @@ class PreprocessorReader < Reader
       return false
     end
 
+    # attributes are case insensitive
+    target = target.downcase
+
     if directive == 'endif'
       stack_size = @conditional_stack.size
       if stack_size > 0
diff --git a/test/reader_test.rb b/test/reader_test.rb
index 1d6e17e6..4cbbcf0f 100644
--- a/test/reader_test.rb
+++ b/test/reader_test.rb
@@ -1024,6 +1024,18 @@ There was much rejoicing.
         end
         assert_equal "On our quest we go...\nThere is a holy grail!\nThere was much rejoicing.", (lines * ::Asciidoctor::EOL)
       end
+
+      test 'ifdef attribute name is not case sensitive' do
+        input = <<-EOS
+ifdef::showScript[]
+The script is shown!
+endif::showScript[]
+        EOS
+
+        doc = Asciidoctor::Document.new input, :attributes => { 'showscript' => '' }
+        result = doc.reader.read
+        assert_equal 'The script is shown!', result
+      end
   
       test 'ifndef with defined attribute does not include text in brackets' do
         input = <<-EOS