fix: correctly parse <html:style></html:style>

Author: fisker

packages/angular-html-parser/test/index_spec.ts

@@ -96,3 +96,9 @@ describe("AST format", () => {
     ]);
   });
 });
+
+it("Edge cases", () => {
+  expect(humanizeDom(parse("<html:style></html:style>"))).toEqual([
+    [html.Element, ":html:style", 0],
+  ]);
+});

packages/compiler/src/ml_parser/lexer.ts

@@ -902,7 +902,11 @@ class _Tokenizer {
       if (!this._attemptCharCode(chars.$LT)) return false;
       if (!this._attemptCharCode(chars.$SLASH)) return false;
       this._attemptCharCodeUntilFn(isNotWhitespace);
-      if (!this._attemptStrCaseInsensitive(tagName)) return false;
+      if (!this._attemptStrCaseInsensitive(
+        prefix && openToken.type !== TokenType.COMPONENT_OPEN_START ?
+          `${prefix}:${tagName}`
+        : tagName
+      )) return false;
       this._attemptCharCodeUntilFn(isNotWhitespace);
       return this._attemptCharCode(chars.$GT);
     });