blackedout01

Many windowing frameworks supply its users with character or text events. This change makes it easier to use them in combination with stb_textedit.

Previously, when the cursor was at the very end of the text in multiline mode (no trailing newline), pressing the up key did either nothing or set the character to...

Previously, when pressing the up key while the cursor is positioned in the first line, nothing happens because there is a break when no previous line exists, causing the event...

## Description of bug / unexpected behavior Using `always_redraw` with `SVGMobject` raises ``` TypeError: unsupported operand type(s) for *: 'int' and 'NoneType' ``` when it tries to interpolate the colors...