Complete --help-logs.

diff --git a/src/xbt/log.cpp b/src/xbt/log.cpp
index 5472200..cd6f549 100644 (file)
--- a/src/xbt/log.cpp
+++ b/src/xbt/log.cpp
@@ -602,6 +602,17 @@ static void xbt_log_help(void)
       "         -> %%d: date (UNIX-like epoch)\n"
       "         -> %%r: application age (time elapsed since the beginning of the application)\n"
       "\n"
+      "   Category appender: --log=CATEGORY_NAME.app:APPENDER\n"
+      "      APPENDER may be:\n"
+      "         -> stdout or stderr: standard output streams\n"
+      "         -> file:NAME: append to file with given name\n"
+      "         -> splitfile:SIZE:NAME: append to files with maximum size SIZE per file.\n"
+      "                                 NAME may contain the %% wildcard as a placeholder for the file number.\n"
+      "         -> rollfile:SIZE:NAME: append to file with maximum size SIZE.\n"
+      "\n"
+      "   Category additivity: --log=CATEGORY_NAME.add:VALUE\n"
+      "      VALUE:  '0', '1', 'no', 'yes', 'on', or 'off'\n"
+      "\n"
       "   Miscellaneous:\n"
       "      --help-log-categories    Display the current hierarchy of log categories.\n"
       "      --log=no_loc             Don't print file names in messages (for tesh tests).\n");