fix tag recognition in superhtml mode

Author: kristoff-it

src/html/Ast.zig

@@ -718,17 +718,17 @@ pub fn init(
                         current = &nodes.items[current.parent_idx];
                     }
 
+                    const name = tag.name.slice(src);
                     const end_kind = switch (language) {
-                        // .superhtml => {
-                        // if (elements.get(name)) |element| {
-                        //     break :node .{
-                        //         .kind = element.tag,
-                        //         .content = .all,
-                        //         .open = tag.span,
-                        //     };
-                        // } else continue :lang .html;
-                        // },
-                        .html, .superhtml => kinds.get(tag.name.slice(src)) orelse .___,
+                        .superhtml => if (std.ascii.eqlIgnoreCase("ctx", name))
+                            .ctx
+                        else if (std.ascii.eqlIgnoreCase("super", name))
+                            .super
+                        else if (std.ascii.eqlIgnoreCase("extend", name))
+                            .extend
+                        else
+                            kinds.get(name) orelse .___,
+                        .html => kinds.get(name) orelse .___,
                         .xml => .___,
                     };
 

src/html/elements/source.zig

@@ -12,7 +12,7 @@ pub const source: Element = .{
     .meta = .{
         .categories_superset = .none,
     },
-    .attributes = .manual,
+    .attributes = .manual, // done by <audio>, <video> and <picture>
     .content = .model,
     .desc =
     \\The `<source>` HTML element specifies one or more media resources for