Notice of DecimalFormat parser change (#3089) [resend]

<resend>I had the wrong jitterbug URL</resend>

See:
http://www.jtcsv.com/cgibin/icu-bugs?findid=3089

For ICU 3.0 I am modifying the DecimalFormat parser so that it enforces
the rule that special characters must be quoted in the prefix and suffix.

Example:
000.000|###

This pattern was accepted by ICU <= 2.8, but will be rejected by ICU >=
3.0.  The following equivalent pattern is accepted by all versions of ICU:
000.000'|###'

Previous versions of ICU were inconsistent in their application of this
rule.

Applies to: ICU4C 3.0, ICU4J 3.0.

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[Alan S Liu/San Jose/IBM@IBMUS; [email protected];; IBM Globalization; 
5600 Cottle Road; San Jose, CA 95193;; (408) 256-3155]