tidy-html5 generates invalid HTML5 when href elements contain illegal characters #352
Description
When asking tidy-html5 to fix URIs using the fix-uri option (that is active by default), invalid href element characters are present in the output of tidy-htm5.
case in point (fix-uri documentation):
fix-uri
Type: Boolean
Default: yes
Example: y/n, yes/no, t/f, true/false, 1/0This option specifies if Tidy should check attribute values that carry URIs for illegal characters and if such are found, escape them as
HTML4 recommends.
example and reproduction steps
$ echo '<meta charset="utf-8"><title>xyz<a href=":|">invalid HTML5</a>' | tidy --doct --tidy-mark no --fix-uri yes - 2> /dev/null output
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>xyz</title>
</head>
<body>
<a href=":|">invalid HTML5</a>
</body>
</html>$ echo $(!!) | html5check -houtput:
Error: Bad value “:|” for attribute “href” on element “a”: Illegal character in path segment: not a URL code point.
From line 1, column 88; to line 1, column 100
There were errors. (Tried in the text/html mode.)
html5check: https://about.validator.nu/html5check.py