https://bugs.documentfoundation.org/show_bug.cgi?id=93033

--- Comment #19 from خالد حسني <kha...@aliftype.com> ---
(In reply to خالد حسني from comment #18)
> except Zero width no break space (U+FEFF), I think this is the only remaining 
> issue.

Checking more, it seems that the Unicode Text Segmentation algorithm
(https://unicode.org/reports/tr29/#Grapheme_Cluster_Boundaries) treats U+FEFF
as a single grapheme cluster i.e. a user-perceived character, so when
letter-spacing we count it as one character and space it.

This can be tested in https://util.unicode.org/UnicodeJsps/breaks.jsp, by
copying the word deprecated from the document and choosing User Character from
the drop down menu, and there will be two red lines where U+FEFF is.

Given this and since the use of U+FEFF as zero width no break space is
deprecated, I think there are no issues left here and this bug should be
closed.

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