[AC21.5] Simplify redisplay-x/separate_textual_runs

[Vin Shelton]

I think the attached patch broke non-mule display.  Please look at the
attached screenshot; I've also attached my Installation file.

FWIW, the mule display works fine.

Thanks,
  Vin

-- 
The Journey by Mary Oliver
http://www.poemhunter.com/p/m/poem.asp?poet=6771&poem=30506
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