"Change Set:		MakeArrows-sps
Date:			15 October 2003
Author:			Steven Swerling

Adds a couple of methods to StrikeFont, #makeAssignArrow and
#makeReturnArrow. These methods replace the underscore (_) and caret (^)
characters with graphic arrows, sized to fit the given StrikeFont. Also
adds TextStyle>>makeArrows, which creates arrows for every font in a
given family (if they are StrikeFonts). 

Only works on StrikeFont (on TTC fonts, it's a noop). Only useful if you
occasionally import StrikeFonts into your image.

In 3.6, try this:
  TextStyle default makeArrows.
In 3.7, try this:
  Preferences standardCodeFont textStyle makeArrows.
"
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