HTML Editor support for RTL languages

The EMu HTML editor supports RTL languages:

Various buttons allow the page and paragraph orientation to be set for all HTML based fields in EMu:

Button	Description
	The document direction is left-to-right (same as `<html dir="ltr">`). If a direction is not specified, the default direction is `ltr`.
	The document direction is right-to-left (same as `<html dir="rtl">`). An `rtl` document has the scroll bar located on the left side of the window with all text right aligned by default. The standard Unicode bidi algorithm is used to display text. That is, English text is displayed in a left-to-right order while Arabic / Hebrew is displayed right-to-left. The setting affects the default direction of all text in the document.
	The text direction for the current paragraph is set to `ltr` (same as `<p dir="ltr">`). If the document direction is `rtl`, this command will reset the direction to `ltr` for the current paragraph only. Note that Arabic text will still be displayed right-to-left but left alignment will be used. This is useful for embedding an English quote in Arabic text.
	The text direction for the current paragraph is set to `rtl` (same as `<p dir="rtl">`). This is useful for embedding an Arabic quote in English text.