91 meaningful sequence

Addressed the following sections of G57:

- order visual versus html punctuations in content with mixed rtl/ltr - quail.languageDirectionPunctuation
-spaces and tabs in content that are used for visual formatting - whitespaceNotUsedForFormatting
- using tables, that breaks associated information when related content is ordered for visual reasons in two rows -
- information of the content is structured within that block (related image of the content is under that heading) - contentPositioningShouldNotChangeMeaning

Right, should be regex instead.