Add slide attributes for single slide section case.

plugin/markdown/markdown.js

@@ -283,9 +283,18 @@
 
 			}
 			else {
-
-				section.innerHTML = createMarkdownSlide( getMarkdownFromSlide( section ) );
-
+				var content = getMarkdownFromSlide( section );
+				var slideAttributesSeparatorRegex = new RegExp( section.getAttribute( 'data-attributes' )  || DEFAULT_SLIDE_ATTRIBUTES_SEPARATOR, 'm' );
+				var matchAttributes = slideAttributesSeparatorRegex.exec( content );
+				if ( matchAttributes ) {
+				  var slideAttributes = matchAttributes[1];
+				  content = content.replace( slideAttributesSeparatorRegex,"" );
+					var slideAttributesRegex = new RegExp( "([^\"= ]+?)=\"([^\"=]+?)\"", 'mg' );
+					while( matchesAttributes = slideAttributesRegex.exec( slideAttributes ) ) {
+						section.setAttribute( matchesAttributes[1], matchesAttributes[2] );
+					}
+				}
+				section.innerHTML = createMarkdownSlide( content );
 			}
 		}
 

test/test-markdown-attributes.html

@@ -87,6 +87,31 @@
 					</script>
 				</section>
 
+        <section data-markdown>
+          <script type="text/template">
+            <!-- slide-attributes: data-background="#ff0000" -->
+            ## Hello world
+          </script>
+        </section>
+
+        <section data-markdown>
+          <script type="text/template">
+            ## Hello world
+            <!-- slide-attributes: data-background="#ff0000" -->
+          </script>
+        </section>
+
+        <section data-markdown>
+          <script type="text/template">
+            ## Hello world
+
+            Test
+            <!-- slide-attributes: data-background="#ff0000" -->
+
+            More Test
+          </script>
+        </section>
+
 			</div>
 
 		</div>

test/test-markdown-attributes.js

@@ -36,6 +36,11 @@ Reveal.addEventListener( 'ready', function() {
     strictEqual( document.querySelectorAll( '.reveal .slides>section>section[data-transition="page"]' ).length, 1, 'found one vertical slide with data-transition="fade"' );
     strictEqual( document.querySelectorAll( '.reveal .slides section [data-transition="concave"]' ).length, 1, 'found one slide with data-transition="zoom"' );
   });
+
+  test( 'data-transition attributes with inline content', function() {
+    strictEqual( document.querySelectorAll( '.reveal .slides>section[data-background="#ff0000"]' ).length, 3, 'found three horizontal slides with data-background="#ff0000"' );
+  });
+
 } );
 
 Reveal.initialize();