> That doesn't surprise me; I'd expect you to get the font's .notdef glyph 
> (which might be a blank space, as in this example, or a box, or some other 
> symbol).

 Thanks for the explanation, that makes sense.

> What you want is a character that has a zero-width, invisible glyph; if the 
> font supports any of the Unicode characters such as ZWNBSP or ZWNJ or WJ or 
> CGJ, etc., that ought to work.

  Yes, that's what I thought too, but it doesn't provide a font-independent 
solution.

> Or character 13 (CR) is a likely bet, too.

  Note that Mojca remarked that using character 10 (LF) produced the desired 
result in that particular font (Abyssinica SIL).  Is there any reason why one 
would prefer the former over the latter, or why either of these characters 
would be a safer bet in general?  I would have thought that both of them, being 
control characters (sort of), would precisely have no glyph in most fonts; 
after all, who would want to set a glyph for a character that's supposed to 
indicate the end of a line of text?

    Arthur
> 



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