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e405afab29
See technique used in `fast-syntax-highlighting`: - https://github.com/zdharma/fast-syntax-highlighting/commit/ca2e18bbc9e27b9264206c257d2ab68838162c70 - http://www.zsh.org/mla/users/2018/msg00424.html Also see http://www.zsh.org/mla/users/2018/msg00432.html In async response handler: - We only want to read data in case of POLLIN or POLLHUP. Not POLLNVAL or select error. - We always want to remove the handler, so it doesn't get called in an infinite loop when error is nval or err. There is an upstream bug that prevents ctrl-c from resetting the prompt immediately after a suggestion has been fetched asynchronously. A patch has been submitted, but a workaround for now is to add `command true` after the exec. See https://github.com/zsh-users/zsh-autosuggestions/issues/364