+(defconst rfc822/quoted-pair-regexp "\\\\.")
+(defconst rfc822/qtext-regexp
+ (concat "[^" (char-list-to-string std11-non-qtext-char-list) "]"))
+(defconst rfc822/quoted-string-regexp
+ (concat "\""
+ (regexp-*
+ (regexp-or rfc822/qtext-regexp rfc822/quoted-pair-regexp)
+ )
+ "\""))
+
+(defconst mime/content-parameter-value-regexp
+ (concat "\\("
+ rfc822/quoted-string-regexp
+ "\\|[^; \t\n]*\\)"))
+