exts.mk: refine notes [Feature #13302]
ext/extmk.rb: split notes into header and footer, which are common, from bodies which are unique for each extensions.
template/exts.mk.tmpl: now each notes are not one line, should not unique.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58425 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
exts.mk: refine notes [Feature #13302]
ext/extmk.rb: split notes into header and footer, which are
common, from bodies which are unique for each extensions.
template/exts.mk.tmpl: now each notes are not one line, should
not unique.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@58425 b2dd03c8-39d4-4d8f-98ff-823fe69b080e