def inject_comment(buf, (row, col), depth=1):
    lines = make_comment(depth=depth)
    buf.append(lines, row)
    return (row + len(lines) - 1, len(lines[-2]))
Injects a comment of depth `depth` at the current cursor position, and
dataset/ETHPy150Open hut8labs/diffscuss/diffscuss/support/editor.py/inject_comment