line 3 column 1 - Error: repeated FRAMESET element line 21 column 3 - Warning: content occurs after end of body line 21 column 3 - Warning: replacing with
line 21 column 3 - Warning: trimming empty
line 20 column 2 - Warning: trimming empty line 19 column 1 - Warning: trimming empty <frameset> Info: Doctype given is "-//W3C//DTD HTML 4.01 Frameset//EN" Info: Document content looks like HTML 4.01 Frameset Tidy found 5 warnings and 1 error! This document has errors that must be fixed before using HTML Tidy to generate a tidied up version. One or more empty elements were present in the source document but dropped on output. If these elements are necessary or you don't want this behavior, then consider setting the option "drop-empty-elements" to no. About HTML Tidy: https://github.com/htacg/tidy-html5 Bug reports and comments: https://github.com/htacg/tidy-html5/issues Official mailing list: https://lists.w3.org/Archives/Public/public-htacg/ Latest HTML specification: https://html.spec.whatwg.org/multipage/ Validate your HTML documents: https://validator.w3.org/nu/ Lobby your company to join the W3C: https://www.w3.org/Consortium Do you speak a language other than English, or a different variant of English? Consider helping us to localize HTML Tidy. For details please see https://github.com/htacg/tidy-html5/blob/master/README/LOCALIZE.md