4904 2007-08-01 18:41:05 +0000 validator bug and inconsistent behavior with: <div>:1: </div> 2007-08-01 19:18:36 +0000 1 1 1 Unclassified Validator check HEAD PC Windows 2000 RESOLVED DUPLICATE 4891 http://www.manuelmoser.de/stuff/validator/notvalid1.html P2 normal --- 1 w3bugzilla dave.null www-validator-cvs oldest_to_newest 15998 0 w3bugzilla 2007-08-01 18:41:05 +0000 I think we found a serious bug in the validator. According to my understanding the following document is valid: ------------------------------------------- http://www.manuelmoser.de/stuff/validator/notvalid1.html ------------------------------------------- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>blah</title> </head> <body> <div>:1: </div> </body> </html> ------------------------------------------- But the validator complains about the document with the following message: ------------------------------------------- Validation Output: 1 Error Line 1, Column 14:  </div>. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/x ------------------------------------------- Some research has shown, that the line number seems to be very random for this error (depending on the code). I even got an error in line 34 in an document with 18 lines of code. The third line mostly refers to a random line, or to some tags after the line, where I see the problem. This gave me some hints and I was able to reduce the problem to this line: <div>:1: </div> Important for the error seems to be the fact that there a two colon and a number in between, followed by a   Some examples: Removing the number makes the document valid: ------------------------------------------- http://www.manuelmoser.de/stuff/validator/valid1.html ------------------------------------------- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>blah</title> </head> <body> <div>:: </div> </body> </html> ------------------------------------------- Changing the number to a letter makes the document valid: ------------------------------------------- http://www.manuelmoser.de/stuff/validator/valid2.html ------------------------------------------- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>blah</title> </head> <body> <div>:a: </div> </body> </html> ------------------------------------------- Removing the   makes the document valid: ------------------------------------------- http://www.manuelmoser.de/stuff/validator/valid3.html ------------------------------------------- <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <title>blah</title> </head> <body> <div>:1:</div> </body> </html> ------------------------------------------- Manuel Moser 15999 1 w3bugzilla 2007-08-01 18:49:04 +0000 I'm sorry, I didn't see bug 4891. This here might be the same bug as 4891. 16001 2 w3bugzilla 2007-08-01 19:18:36 +0000 *** This bug has been marked as a duplicate of bug 4891 ***