tree d74b695ecbcfda4382dccd93f0383fb4a84c13d9
parent 7feb300a8744dfc51e0367018b023aacb79ab141
author Markus Scherer <markus.icu@gmail.com> 1612219686 -0800
committer Markus Scherer <markus.icu@gmail.com> 1612826823 -0800

ICU-21050 add detail for when need to ifndef C++ boilerplate