- int class; /* One of the classes above. */
- struct file_locator where; /* File location, or (NULL, -1). */
- const char *title; /* Special text inserted if not null. */
+ ME, MW, MN, /* General error/warning/note. */
+ SE, SW, SN, /* Script error/warning/note. */
+ DE, DW, DN, /* Data-file error/note. */
+ MSG_CLASS_CNT,