Remove leading blank line, if any

nanoc/lib/nanoc/data_sources/filesystem/parser.rb

@@ -52,7 +52,7 @@ def parse_with_frontmatter(content_filename)
       end
 
       meta = parse_metadata(pieces[2], content_filename)
-      content = pieces[4]
+      content = pieces[4].sub(/\A\n/n, '')
 
       ParseResult.new(content: content, attributes: meta, attributes_data: pieces[2])
     end

nanoc/test/data_sources/test_filesystem.rb

@@ -917,6 +917,42 @@ def test_parse_embedded_empty_meta
     # Create data source
     data_source = Nanoc::DataSources::Filesystem.new(nil, nil, nil, nil)
 
+    # Parse it
+    result = data_source.instance_eval { parse('test.html', nil) }
+    assert_equal({}, result.attributes)
+    assert_equal("blah blah\n-----", result.content)
+  end
+
+  def test_parse_with_one_blank_line_after_metadata
+    # Create a file
+    File.open('test.html', 'w') do |io|
+      io.write "-----\n"
+      io.write "-----\n"
+      io.write "\nblah blah\n"
+      io.write '-----'
+    end
+
+    # Create data source
+    data_source = Nanoc::DataSources::Filesystem.new(nil, nil, nil, nil)
+
+    # Parse it
+    result = data_source.instance_eval { parse('test.html', nil) }
+    assert_equal({}, result.attributes)
+    assert_equal("blah blah\n-----", result.content)
+  end
+
+  def test_parse_with_two_blank_lines_after_metadata
+    # Create a file
+    File.open('test.html', 'w') do |io|
+      io.write "-----\n"
+      io.write "-----\n"
+      io.write "\n\nblah blah\n"
+      io.write '-----'
+    end
+
+    # Create data source
+    data_source = Nanoc::DataSources::Filesystem.new(nil, nil, nil, nil)
+
     # Parse it
     result = data_source.instance_eval { parse('test.html', nil) }
     assert_equal({}, result.attributes)