private static boolean isInsertSpaceBeforeEq(int caretOffset, CharSequence text) {
    if (caretOffset == 0) return false;
    char charBefore = text.charAt(caretOffset - 1);

    for (char c : NO_SPACE_AFTER) {
      if (c == charBefore) {
        return false;
      }
    }

    return true;
  }
private static boolean isInsertSpaceBeforeEq(int caretOffset, CharSequence text)