[2022-01-24 23:27:31 +0900]: runtime: call fflush before exiting in C test

[2022-01-24 23:19:38 +0900]: Fix \href{a_b} in tex-mode [2022-01-24 23:15:59 +0900]: Revert "Fix tex-mode handling of _ chars in href{} commands" [2022-01-24 23:10:18 +0900]: Add derived-mode test for bug#24176 [2022-01-24 23:05:28 +0900]:…