Merge branch 'latex-lab_220601' into kitagawa_test

diff --cc src/ltjsarticle.cls
Simple merge

diff --cc src/ltjsbook.cls
Simple merge

diff --cc src/ltjsclasses.dtx
Simple merge

diff --cc src/ltjskiyou.cls
Simple merge

diff --cc src/ltjspf.cls
Simple merge

diff --cc src/ltjsreport.cls
Simple merge