[LyX/2.4.x] Clarify quote-insert LFUN.

[Richard Kimberly Heck]

commit 29be057a073fde4e36c9adbf31c6cd764f62bda2
Author: Richard Kimberly Heck <rikiheck at lyx.org>
Date:   Mon Apr 1 17:26:01 2024 -0400

    Clarify quote-insert LFUN.
    
    And add remark about multiple optional arguments.

 lib/doc/LFUNs.lyx | 2472 +++++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 1818 insertions(+), 654 deletions(-)