Gwallau lint
High priority
- Table tag that should be deleted (69 errors)
- Duplicate IDs (3,474 errors)
- Misnested tag with different rendering in HTML5 and HTML4 (2,824 errors)
- Miscellaneous issues (154 errors)
- Multiline table in list (11 errors)
- Multiple unclosed formatting tags (25 errors)
- Paragraph wrapping bug workaround (25 errors)
- Self-closed tags (10 errors)
- Old behaviour of link-wrapping font tags (118 errors)
- Whitespace parsing bug (0 error)
- Unclosed quote in heading (0 error)
Medium priority
- Bogus file options (4,902 errors)
- Fostered content (44 errors)
- Misnested tags (3,275 errors)
- Multi colon escape (57 errors)
- Links in links (9,953 errors)
Low priority
- Missing end tag (31,772 errors)
- Missing end tag in heading (6 errors)
- Background color inline style rule exists without a corresponding text color (390,827 errors)
- Obsolete HTML tags (53,390 errors)
- Stripped tags (4,631 errors)