end = find_token(document.body, "\\end_inset", beginBrace)
document.body[lineERT : end + 1] = ["\\end_layout", "", "\\end_inset"]
if loop == 1:
end = find_token(document.body, "\\end_inset", beginBrace)
document.body[lineERT : end + 1] = ["\\end_layout", "", "\\end_inset"]
if loop == 1: