Revert "* remove trailing spaces. [ci skip]"
This reverts commit 6b04c480487ab64d73e1254be2412e722b7b8bd8. Trailing spaces separate paragraphs in RDoc format.
Revert "* remove trailing spaces. [ci skip]"
This reverts commit 6b04c480487ab64d73e1254be2412e722b7b8bd8.
Trailing spaces separate paragraphs in RDoc format.