[issue46666] IDLE Add indent guide

[Terry J. Reedy]

Terry J. Reedy <tjreedy at udel.edu> added the comment:

I loaded a .py file into N++ and see them.  Under 3 x, there are clearly separate minidots.  Under 10x, the dots are hardly visible.  They are not characters in the text (cannot be copied) but a special manipulation of the column of pixels 'between' spaces.  This must be a built-in feature of to the text widget.  I suspect it involves special subpixel manipulation, perhaps requiring information from the monitor.  AFAIK, Tk widgets do not have this feature.  Unless there is a unicode char consisting of light dots on the very edge, we cannot even simulate this.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46666>
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