Try to merge two last draw commands

NB: It is illegal to call push_back/push_front/insert with a reference pointing inside the ImVector data itself! e.g. v.push_back(v[10]) is forbidden.

@brief Add uint8 to reply packet **/

@brief Update a connected context **/

reset the state to default

API cut: delete selection

discard the oldest entry in the redo list--it's bad if this ever happens, but because undo & redo have to store the actual characters in different cas

API initialize

API key: process a keyboard input

API paste: replace existing selection with passed-in text

returns number of contours

rects array must be big enough to accommodate all characters in the given ranges