graph drawing tool

change cursor bounds check slightly

This doesn't affect this fork directly, but it's a bad idea to assume the app is always going to be doing just what a particular subsystem (here, the text editor in edit.lua+text.lua) is doing.

Created by  Kartik K. Agaram  on April 2, 2023
A2PRHMXT3T2I2MKSOIKDWJGL5ZSTJWBYUZGGBXPTXZJZ7VYXKM7QC
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