Part 3 of 3, continuing PR GH-7689. This covers 14 idlelib modules and their tests,
rpc to zoomheight except for run (already done) and tooltip (being done separately).
(cherry picked from commit 4d92158f4c)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Using the system and place-dependent default encoding for open()
is a bad idea for IDLE's system and location-independent files.
(cherry picked from commit 688722cedd)
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
Split TextViewer class into ViewWindow, ViewFrame, and TextFrame classes so that instances
of the latter two can be placed with other widgets within a multiframe window.
Patch by Cheryl Sabella.
(cherry picked from commit 42bc8be)
