[XeTeX] difficulty with ancient greek diacriticals in XeTeX with Gentium Plus

[Jonathan Kew]

On 20/7/13 18:01, Richard Cobbe wrote:
> To summarize: it looks like there are some problems with Gentium Pro, and
> I'll send a list of all of the issues I've noticed to Lorna Evans off-list.
>
> I can either wait for a release of the font that fixes these problems, or I
> can switch to using precomposed characters with XeTeX.  And it looks like I
> can do this either with the TECKit map that Nathan Sidoli provided, or by
> changing the program that I'm using to generate the XeTeX input.

I haven't followed this thread in detail, but has anyone suggested (and 
have you tried) simply setting the option

   \XeTeXinputnormalization = 1

in your document?

JK