X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/1d03fb9aeca8ed1d59e41b938629e9d9ff8f49bf..63621a81d16ab743de6b57d47578a9a2c670ad22:/h/icalendar.h

diff --git a/h/icalendar.h b/h/icalendar.h
index be7244e2..0bedfded 100644
--- a/h/icalendar.h
+++ b/h/icalendar.h
@@ -71,7 +71,7 @@ void add_param_name (contentline *, char *);
 void add_param_value (contentline *, char *);
 void remove_value (value_list *);
 struct contentline *find_contentline (contentline *, const char *,
-                                      const char *);
+                                      const char *) PURE;
 void free_contentlines (contentline *);
 
 typedef struct tzdesc *tzdesc_t;