[perl #78348] => search too weak

I think it's reasonable to reduce the number of places where the kind of
white space determines the otherwise unambiguous parse.  This might not
be a critical code-ruining bug, but it would be nice to see improved.

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via perlbug:  queue: perl5 status: open
https://rt.perl.org:443/rt3/Ticket/Display.html?id=78348

• [perl #78348] => search too weak by Ricardo SIGNES via RT
• [perl #78348] => search too weak by Father Chrysostomos via RT