[issue20577] IDLE: Remove FormatParagraph's width setting from config dialog

[Terry J. Reedy]

Terry J. Reedy added the comment:

The awkwardness of the config design is that idlelib/config-xyz.def files are separate for each version and shared across users (and systems) while .idlerc/config-xyz.def files are separate for each user (account) and shared across versions on the same machine.  #20580 is about at least using the existing system-specific sections. Ned also suggested the possibility of version-specific systems. Version specific files are also possible: config-xyz-34.def. 

I am willing to also tell users in 2.8.9 and 3.4.2 to reset any custom formatwidth setting. But we need a way to *tell* users that, even for 3.5. I would like to replace the useless "Type "copyright", "credits" or "license()" for more information." with "See HELP/NEWS for information about changes in each release."

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<http://bugs.python.org/issue20577>
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