+#define ERRMSG "Unknown %%%c sequence in layout format (%s).\nKnown sequences:\n" \
+ " what: %%m: user message %%c: log category %%p: log priority\n" \
+ " where:\n" \
+ " source: %%F: file %%L: line %%M: function %%l: location (%%F:%%L)\n" \
+ " runtime: %%h: hostname %%t: thread %%P: process %%i: PID\n" \
+ " backtrace: %%b: full %%B: short\n" \
+ " when: %%d: date %%r: app. age\n" \
+ " other: %%%%: %% %%n: new line %%e: plain space\n"
+
+