diff --git a/html/parse.go b/html/parse.go
index 0ff15ff..6ab1e48 100644
--- a/html/parse.go
+++ b/html/parse.go
@@ -881,7 +881,7 @@
 			p.addElement()
 			p.im = inFramesetIM
 			return true
-		case a.Address, a.Article, a.Aside, a.Blockquote, a.Center, a.Details, a.Dialog, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Menu, a.Nav, a.Ol, a.P, a.Section, a.Summary, a.Ul:
+		case a.Address, a.Article, a.Aside, a.Blockquote, a.Center, a.Details, a.Dialog, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Main, a.Menu, a.Nav, a.Ol, a.P, a.Section, a.Summary, a.Ul:
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 		case a.H1, a.H2, a.H3, a.H4, a.H5, a.H6:
@@ -1137,7 +1137,7 @@
 				return false
 			}
 			return true
-		case a.Address, a.Article, a.Aside, a.Blockquote, a.Button, a.Center, a.Details, a.Dialog, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Listing, a.Menu, a.Nav, a.Ol, a.Pre, a.Section, a.Summary, a.Ul:
+		case a.Address, a.Article, a.Aside, a.Blockquote, a.Button, a.Center, a.Details, a.Dialog, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Listing, a.Main, a.Menu, a.Nav, a.Ol, a.Pre, a.Section, a.Summary, a.Ul:
 			p.popUntil(defaultScope, p.tok.DataAtom)
 		case a.Form:
 			if p.oe.contains(a.Template) {
diff --git a/html/testdata/webkit/main-element.dat b/html/testdata/webkit/main-element.dat
new file mode 100644
index 0000000..4b103bb
--- /dev/null
+++ b/html/testdata/webkit/main-element.dat
@@ -0,0 +1,46 @@
+#data
+<!doctype html><p>foo<main>bar<p>baz
+#errors
+(1,36): expected-closing-tag-but-got-eof
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <p>
+|       "foo"
+|     <main>
+|       "bar"
+|       <p>
+|         "baz"
+
+#data
+<!doctype html><main><p>foo</main>bar
+#errors
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     <main>
+|       <p>
+|         "foo"
+|     "bar"
+
+#data
+<!DOCTYPE html>xxx<svg><x><g><a><main><b>
+#errors
+ * (1,42) unexpected HTML-like start tag token in foreign content
+ * (1,42) unexpected end of file
+#document
+| <!DOCTYPE html>
+| <html>
+|   <head>
+|   <body>
+|     "xxx"
+|     <svg svg>
+|       <svg x>
+|         <svg g>
+|           <svg a>
+|             <svg main>
+|     <b>