message-tamago-not-in-use-p
message-tamago-not-in-use-p is a compiled Lisp function in `message.el
'.
(message-tamago-not-in-use-p POS)
Return t when tamago version 4 is not in use at the cursor position.
Tamago version 4 is a popular input method for writing Japanese text.
It uses the properties `intangible', `invisible', `modification-hooks'
and `read-only' when translating ascii or kana text to kanji text.
These properties are essential to work, so we should never strip them.