ticket:10756: fix operator= ( restores performance for the createInstance() / applyPattern("#") case )

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@35348 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10286: check in stub xml files so that the .txt gets generated. See ticket:10750 for removal of such stubs.


git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@35349 251d0590-4201-4cf1-90de-194747b24ca1
ticket:10756: regression tests added for case where setGroupingUsed didn't call handleChanged() and thus the fastpath status would be incorrect. Fixed by overriding three functions in DecimalFormat but delegating to NumberFormat.  The other two functions don't affect fastpath, but are overridden for future changes where they might.


git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@35351 251d0590-4201-4cf1-90de-194747b24ca1
ticket:9101: Cleaned up API doc for StringSearch. Removed clauses mentioning Boyer-Moore algorithm. Keep the docs synchronized with ICU4J StringSearch.

git-svn-id: http://source.icu-project.org/repos/icu/icu/trunk@35354 251d0590-4201-4cf1-90de-194747b24ca1