created an attachment (id=160154)
report design

description:
  set a date item format to "unformatted", the default format is "jan 29, 2003", but in xls the display format is "jan 29, 03". this issue can only be reproduced in xls format, in html it works correctly.

test build:
birt2.6.0 v20100225-0631

step to reproduce:

1 use the report attached
2 preview it

expect result:
date format is "[$-409]mmm dd, yyyy"

actual result:
data format is "[$-409]mmm dd, yy"
this bug only exists on birt2.6.0.
birt2.6.0 changed an eclipse platform which uses the latest version of icu.
icu changed simpledateformat class to process date pattern ‘y’.
fixed the problem in excel according to icu's change.
verified in v20100308-0630
this issue was partial fixed, please investigate the report newly attached.
created an attachment (id=161393)
report design
created an attachment (id=161394)
report design
fixed.
verified in v20100310-0630