Log Message:
x11/xterm: update to 397

Patch #397 - 2025/01/05

    add resource printRawChars to allow bypassing check in patch #389 which \ 
omits Unicode non-characters from printing (request by Adam Saponara).
    add visible-effect for SUB, per DEC 070 page 5-132.
    correct a limit-check in private mode 1045.
    add optional feature for block-selection, bound to meta-button-one (patch by \ 
Adam Saponara).
    if started as a VT52, identify the terminal as a real VT52 rather than VT52 \ 
emulated by VT100.
    amend change to VT52 cursor-addressing per DEC 070 (mintty #1299).
    correct ctlseqs.ms suffix for XTTITLEPOS