that are misinterpreted by echo(1) aren't.
PR: docs/8757
Submitted By: Takeshi OHASHI <ohashi@mickey.ai.kyutech.ac.jp>
Sergei Laskavy <laskavy@gambit.msk.su>
This will make a number of things easier in the future, as well as (finally!)
avoiding the Id-smashing problem which has plagued developers for so long.
Boy, I'm glad we're not using sup anymore. This update would have been
insane otherwise.