from preamble:

"Change Set:		ParenBlinking
Date:			8 October 2003
Author:			Avi Bryant

Makes two changes to the paragraph editor:

- the behavior of <return> and <ctl-return> are reversed, so that the
default is to maintain the tab level on every carriage return.

- any time a a ), }, or ] bracket is typed, the corresponding open
bracket is temporarily made bold (until the next character is typed).

v2
This does not accidentally un-bold characters that were bold to begin
with.
"!
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