Remove the base64 Face header repadding in Gnus

* lisp/gnus/gnus-fun.el (gnus-convert-face-to-png): Remove call.

* lisp/gnus/gnus-util.el (gnus-base64-repad): Remove.

1 files changed, 0 insertions, 55 deletions

diff --git a/lisp/gnus/gnus-util.el b/lisp/gnus/gnus-util.el
index e558f639e46..be0284515dc 100644
--- a/lisp/gnus/gnus-util.el
+++ b/lisp/gnus/gnus-util.el
@@ -1291,61 +1291,6 @@ forbidden in URL encoding."
     (setq tmp (concat tmp str))
     tmp))
 
-(defun gnus-base64-repad (str &optional reject-newlines line-length no-check)
-  "Take a base 64-encoded string and return it padded correctly.
-Existing padding is ignored.
-
-If any combination of CR and LF characters are present and
-REJECT-NEWLINES is nil, remove them; otherwise raise an error.
-If LINE-LENGTH is set and the string (or any line in the string
-if REJECT-NEWLINES is nil) is longer than that number, raise an
-error.  Common line length for input characters are 76 plus CRLF
-\(RFC 2045 MIME), 64 plus CRLF (RFC 1421 PEM), and 1000 including
-CRLF (RFC 5321 SMTP).
-
-If NOCHECK, don't check anything, but just repad."
-  ;; RFC 4648 specifies that:
-  ;; - three 8-bit inputs make up a 24-bit group
-  ;; - the 24-bit group is broken up into four 6-bit values
-  ;; - each 6-bit value is mapped to one character of the base 64 alphabet
-  ;; - if the final 24-bit quantum is filled with only 8 bits the output
-  ;;   will be two base 64 characters followed by two "=" padding characters
-  ;; - if the final 24-bit quantum is filled with only 16 bits the output
-  ;;   will be three base 64 character followed by one "=" padding character
-  ;;
-  ;; RFC 4648 section 3 considerations:
-  ;; - if reject-newlines is nil (default), concatenate multi-line
-  ;;   input (3.1, 3.3)
-  ;; - if line-length is set, error on input exceeding the limit (3.1)
-  ;; - reject characters outside base encoding (3.3, also section 12)
-  ;;
-  ;; RFC 5322 section 2.2.3 consideration:
-  ;; Because base 64-encoded strings can appear in long header fields, remove
-  ;; folding whitespace while still observing the RFC 4648 decisions above.
-  (when no-check
-    (setq str (replace-regexp-in-string "[\n\r \t]+" "" str)));
-  (let ((splitstr (split-string str "[ \t]*[\r\n]+[ \t]?" t)))
-    (when (and reject-newlines (> (length splitstr) 1))
-      (error "Invalid Base64 string"))
-    (dolist (substr splitstr)
-      (when (and line-length (> (length substr) line-length))
-	(error "Base64 string exceeds line-length"))
-      (when (string-match "[^A-Za-z0-9+/=]" substr)
-	(error "Invalid Base64 string")))
-    (let* ((str (string-join splitstr))
-	   (len (length str)))
-      (when (string-match "=" str)
-	(setq len (match-beginning 0)))
-      (concat
-       (substring str 0 len)
-       (make-string (/
-		     (- 24
-			(pcase (mod (* len 6) 24)
-			  (`0 24)
-			  (n n)))
-		     6)
-		    ?=)))))
-
 (defun gnus-make-predicate (spec)
   "Transform SPEC into a function that can be called.
 SPEC is a predicate specifier that contains stuff like `or', `and',