2022-05-05  Kjell Ahlstedt  <[email protected]>

 2.72.1

2022-05-04  Kjell Ahlstedt  <[email protected]>

 CI: Accept warnings from clang++

2022-05-04  Kjell Ahlstedt  <[email protected]>

 Revert "ustring_Iterator: Declare the copy constructor =default"

 This reverts commit 7b811a0be824675f31a422d40a75bbb5d10e32ad.
 It broke ABI. See #98