[sword-devel] GlobalOptionFilter=UTF8GreekAccents and non-Greek modules

[David Haslam]

Greg,

COMBINING GREEK YPOGEGRAMMENI is certainly a diacritic in terms of Unicode
classification!

Full name = U+0345 COMBINING GREEK YPOGEGRAMMENI : iota subscript

It's in the block called "Combining Diacritical Marks".

Full details: (courtesy of BabelPad or BabelMap)

Character Properties for U+0345
Character Name = COMBINING GREEK YPOGEGRAMMENI
Formal Alias = 
Abbreviation = 
Unicode 1.0 Name = GREEK NON-SPACING IOTA BELOW
Block Name = Combining Diacritical Marks
Script = Inherited
Introduced in Unicode 1.1* (June 1993)
General Category = Mn [Mark, Non-Spacing]
Canonical Combining Class = 240 [Below (iota subscript)]
Bidi Class = NSM [Non-Spacing Mark]
Decomposition Type = 
Numeric Type = 
Bidi Mirrored = No
Joining Type = T (Transparent)
Joining Group = No Joining Group
Uppercase Mapping = 0399
Lowercase Mapping = 0345
Titlecase Mapping = 0399
Line Break = CM [Attached Characters and Combining Marks]
Notes [*], Aliases [=] and Cross-References [x]
	= iota subscript
	* note special casing issues
	x greek ypogegrammeni - 037A
	x greek capital letter iota - 0399
Binary Properties
	Alphabetic
	Diacritic
	Lowercase
	Grapheme Extend
	ID Continue
	XID Continue
Encoding
	UTF-8 = CD 85
	UTF-16 = 0345
	UTF-32 = 00000345

The fact that the mark can be attached to the small Greek letters ALPHA,
ETA, OMEGA is surely all the evidence we need.

Or from the aforementioned Wikipedia article:

The iota subscript (Ancient Greek: ὑπογεγραμμένη hypogegramménē "written
under")—ᾳ—is placed under the long vowels ᾱ, η, and ω to mark the ancient
long diphthongs ᾱι, ηι, and ωι, in which the ι is no longer pronounced.

In the 2TGreek module, the NT part contains 737, 2641, 4084 of these
respectively.




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