replaced string should be starting with the start postion if specified
(cherry picked from commit 68c6265584fb6cb0469098507dd287e6e1127324)
Conflicts:
basic/source/runtime/methods.cxx
Change-Id: Ib729facfa78ffddebc258440324f05d037fae46f
and adjust the basic test-case, which is surely wrong
The syntax for REPLACE is:
// Replace(expression, find, replace[, start[, count[, compare]]])
surely in the case of a start of 3 the preceeding chars should
be returned unchanged in the result, not stripped off as before
this change.
This reverts commit 869402a587.
Change-Id: Ie710e4de9e7e35c84abe2770142a963532820af4