IPA characters from subprocesses

[dk2993]

  I'm having trouble with subprocesses that output IPA (phonetics)
characters encoded as UTF-8.  I've tested this in a number of ways; the
simplest is to use Emacs to create a file containing such a character, then
cat it under M-x shell:

First start up a shell:
  M-x shell RET
  C-x RET C-\ ipa RET C-\

Now create our file:
  echo SPACE C-\ E