Rename IHtmlFormatter to better reflect its usage
Create generic LambdaFormatter
Refactor formatters into LambdaFormatters
Use OutputAsXml option when cleaning up html in #ToHtml
Update included files
Update tests to reflect xml-compliant html
Create v5 rich text box
Replace rich text box with v5 text box
Update tests to ensnure v5 text box is used
Match test cases except image/video
Change example image to an actual image online so results can be compared
Add images for unknown image type and for embedded youtube videos. (We can't show YT in rtfbox control, and can't show all image types, but they'll presumably work when posted to fimfiction, so we won't throw up errors, just include placeholders.)
Move initializer to end of file (rtf file strings are long and screw up syntax highlighting after them) and create test for rtf->html
Implement #FromHtml
Remove assertion so that we can debug all tests, rather than skipping tests which happen after a failed assert
Parse color table from RTF text