[359] For style consistency, tag 'colgroup' attributes are restricted: 'align=left' - please check: on line 8, 640
[335] Unexpected attribute 'align' on tag 'colgroup' - please check: on line 8, 640
[400] No heading (H1, H2, etc.) found in this large document - consider inserting some to make it more readable: on line 1875
[437] Line (paragraph) styled all bold/italics - maybe should be a level 1 heading or styled class 'highlight'