X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/7b48497a8046fdb413b57d1fdd13a2af35537dec..37f3dc43fb3a9e1513f8a31c49401b121c1adeb5:/src/src/macros.h

diff --git a/src/src/macros.h b/src/src/macros.h
index 66abffa37..3f036e7ae 100644
--- a/src/src/macros.h
+++ b/src/src/macros.h
@@ -482,7 +482,8 @@ enum {
 #define LOGGING(opt) BIT_TEST(log_selector, log_selector_size, Li_##opt)
 
 /* Private error numbers for delivery failures, set negative so as not
-to conflict with system errno values. */
+to conflict with system errno values.  Take care to maintain the string
+table exim_errstrings[] in log.c */
 
 #define ERRNO_UNKNOWNERROR    (-1)
 #define ERRNO_USERSLASH       (-2)
@@ -547,6 +548,8 @@ to conflict with system errno values. */
 #define ERRNO_QUEUE_DOMAIN   (-55)   /* Domain in queue_domains */
 #define ERRNO_TRETRY         (-56)   /* Transport concurrency limit */
 
+
+
 /* Special actions to take after failure or deferment. */
 
 enum {