The tentacles of const just keep reaching out.
notmuch_tag_command (void *ctx, int argc, char *argv[]);
const char *
-notmuch_time_relative_date (void *ctx, time_t then);
+notmuch_time_relative_date (const void *ctx, time_t then);
void
notmuch_time_print_formatted_seconds (double seconds);
#define DAY (24 * HOUR)
#define RELATIVE_DATE_MAX 20
const char *
-notmuch_time_relative_date (void *ctx, time_t then)
+notmuch_time_relative_date (const void *ctx, time_t then)
{
struct tm tm_now, tm_then;
time_t now = time(NULL);