Possible fix for iMessage text mangling

imessage-i-mean-what-i-type.sh

#!/usr/bin/env bash

# ref:
# https://forums.macrumors.com/threads/smart-quotes-forced-on-in-messages.2284346/post-30657259

_res() {
  (( res += $1 ))
}

res=0
dom1=com.apple.iChat.inputLine
dom2=com.apple.messages.text
plutil -convert xml1 ~/Library/Preferences/${dom1}.plist -o - | 
sed 's#<true/>#<false/>#' |
defaults import $dom1 -
_res $?

for k in EmojiReplacement SmartDashes SmartInsertDelete SmartQuotes; do
  defaults write $dom2 $k -bool True
  _res $?
done

killall cfprefsd
_res $?

[[ $res -eq 0 ]] && echo "success"

https://forums.macrumors.com/threads/smart-quotes-forced-on-in-messages.2284346/post-30657259