extern const guint FOLDER_NAME_FORBIDDEN_CHARS_LENGTH;
extern const guint USER_NAME_FORBIDDEN_CHARS_LENGTH;
+/* It includes a white space as RFC 3676 Section 4.3 about usenet
+ message signatures defines */
+#define MODEST_TEXT_UTILS_SIGNATURE_MARKER "-- "
+
/**
* modest_text_utils_derived_subject:
* @subject: a string which contains the original subject