(decode_coding_string): Handle post-read-conversion

even if the coding doesn't require decoding.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/coding.c b/src/coding.c
index 9a6b611c0dc..2867a0dc233 100644
--- a/src/coding.c
+++ b/src/coding.c
@@ -5986,7 +5986,9 @@ decode_coding_string (str, coding, nocopy)
       shrinked_bytes = from + (SBYTES (str) - to_byte);
     }
 
-  if (!require_decoding)
+  if (!require_decoding
+      && !(SYMBOLP (coding->post_read_conversion)
+           && !NILP (Ffboundp (coding->post_read_conversion))))
     {
       coding->consumed = SBYTES (str);
       coding->consumed_char = SCHARS (str);