#11223
Case no. 1
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>foo</title> </head> <body>foo [[xxx]]</body> </html>
Case no. 2
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>foo</title> [[xxx]] </head> <body>foo [[xxx]]</body> </html>
Case no. 3 (bug #11223)
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>foo [[xxx]] bar</title> </head> <body>broken title... [[xxx]]</body> </html>
Case no. 4
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>foo [[xxx]] bar</title> [[xxx]] </head> <body>foo [[xxx]] </body> </html>