1 files changed, 1 insertions, 0 deletions
diff --git a/g10/main.h b/g10/main.h
index 787b58add..d3c8083dc 100644
--- a/g10/main.h
+++ b/g10/main.h
@@ -126,6 +126,7 @@ int parse_options(char *str,unsigned int *options,
 		  struct parse_options *opts,int noisy);
 char *unescape_percent_string (const unsigned char *s);
 int has_invalid_email_chars (const char *s);
+int is_valid_mailbox (const char *name);
 char *default_homedir (void);
 const char *get_libexecdir (void);