[perl #132205] .gist of a Match should not print null bytes, and maybe other control chars too (say “\0” ~~ /<[\0]>/)

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<AlexDaniel> m: say “\0” ~~ /<[\0]>/
<camelia> rakudo-moar fcbd8a: OUTPUT: «｢␀｣␤»
<AlexDaniel> … did it just print a null byte?
<gfldex> yes


For example, dd is smart enough to print “\0”. I think it's a bad idea to spew 
out a null byte so easily. But maybe not? What do you think?