update translations for 24.2.0 rc3

and force-fix errors using pocheck

Change-Id: I016d4038f8ba31d6ad0427eefc057d6d90bb4560

source/ja/sfx2/messages.po

@@ -4,7 +4,7 @@ msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: https://bugs.libreoffice.org/enter_bug.cgi?product=LibreOffice&bug_status=UNCONFIRMED&component=UI\n"
 "POT-Creation-Date: 2023-12-04 15:07+0100\n"
-"PO-Revision-Date: 2024-01-11 12:37+0000\n"
+"PO-Revision-Date: 2024-01-16 01:45+0000\n"
 "Last-Translator: 田中　秀宗 <hidemune@tanaka-cs.co.jp>\n"
 "Language-Team: Japanese <https://translations.documentfoundation.org/projects/libo_ui-master/sfx2messages/ja/>\n"
 "Language: ja\n"
@@ -1140,7 +1140,7 @@ msgstr "元の文書と比較"
 #: include/sfx2/strings.hrc:210
 msgctxt "STR_PB_MERGEDOC"
 msgid "Merge with"
-msgstr ""
+msgstr "結合するファイルの選択"
 
 #. cDMBG
 #: include/sfx2/strings.hrc:212