[Dev-luatex] Wrong default value for \Umathradicalrule ?

Taco Hoekwater taco at elvenkind.com
Wed Jun 24 17:53:45 CEST 2009

Khaled Hosny wrote:
> I'm just wondering whet \Umathradicalrule returns such so big value
> "16383.99998pt" compared to "0.39998pt" for \Umathoverbarrule, it can't
> be that big. There must be something wronge, either in the code or in my
> understanding of what this value does.

Ah. That is the magical value for "parameter not set" (i.e.: use the
tex82 radical char height instead of this explicit size), and that is
indeed not documented.

Best wishes,

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