Regarding $wordBoundary in Katakana-Latin BGN Transformation

[Daniel Yacob via CLDR-Users]

Hi Cameron,

I've just joined the CLDR-Users list and so am not able to reply directly
to your September 20th email on this topic. The $wordBoundary variable was
introduced in the BGN transformation when they were composed initially in
2006 as a work-around to a bug at the time (#2034 in the old bug tracking
system).

I'm sure it is no longer needed and the variable can be replaced with a
standard word boundary marker. Hopefully it is otherwise harmless.

In the Katakana-Latin case, the variable should simply be ignored by ICU
and have no impact. The fact that it is unused may be the result of a file
copy from another BGN file when the Katakana-Latin file was created and the
variable was not removed when it should have been. Or perhaps it was
referenced at one time and some later edit removed it.

regards,

-Daniel
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