* gc.c: rename *shady* func/macros.
  * RVALUE_RAW_SHADY()   -> RVALUE_WB_PROTECTED_RAW()
  * RVALUE_SHADY()       -> RVALUE_RAW_SHADY()
  * rgengc_check_shady() -> rgengc_check_relation().
  And fix some messages using "shady" to "non-WB-protected".



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44163 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* lib/net/pop.rb:  [DOC] Fix typo

s/deguging/debugging/
[ci skip]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44164 b2dd03c8-39d4-4d8f-98ff-823fe69b080e