* lisp/net/shr.el (shr-insert-document): Remove unused var

`shr-preliminary-table-render'.
(shr-rescale-image): Remove unused arg `force'.
(shr-put-image): Update calls accordingly.
(shr-tag-a): Use `cont' rather than dyn-bound `dom'.

lisp/ChangeLog

+2013-12-17  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+	* net/shr.el (shr-insert-document): Remove unused var
+	`shr-preliminary-table-render'.
+	(shr-rescale-image): Remove unused arg `force'.
+	(shr-put-image): Update calls accordingly.
+	(shr-tag-a): Use `cont' rather than dyn-bound `dom'.
+
 2013-12-17  Dmitry Gutov  <dgutov@yandex.ru>
 
 	* emacs-lisp/smie.el (smie-indent--rule): Extract `smie-indent--rule-1'.

lisp/net/shr.el

@@ -196,7 +196,6 @@ DOM should be a parse tree as generated by
 	(shr-state nil)
 	(shr-start nil)
 	(shr-base nil)
-	(shr-preliminary-table-render 0)
 	(shr-width (or shr-width (1- (window-width)))))
     (shr-descend (shr-transform-dom dom))
     (shr-remove-trailing-whitespace start (point))))
@@ -380,8 +379,7 @@ size, and full-buffer size."
 	  (setq shr-stylesheet (nconc (shr-parse-style style)
 				      shr-stylesheet))
 	(setq style nil)))
-    ;; If we have a display:none, then just ignore this part of the
-    ;; DOM.
+    ;; If we have a display:none, then just ignore this part of the DOM.
     (unless (equal (cdr (assq 'display shr-stylesheet)) "none")
       (if (fboundp function)
 	  (funcall function (cdr dom))
@@ -754,10 +752,10 @@ element is the data blob and the second element is the content-type."
 				    :format content-type))
 		     ((eq size 'full)
 		      (ignore-errors
-			(shr-rescale-image data t content-type)))
+			(shr-rescale-image data content-type)))
 		     (t
 		      (ignore-errors
-			(shr-rescale-image data nil content-type))))))
+			(shr-rescale-image data content-type))))))
         (when image
 	  ;; When inserting big-ish pictures, put them at the
 	  ;; beginning of the line.
@@ -779,11 +777,10 @@ element is the data blob and the second element is the content-type."
 	image)
     (insert alt)))
 
-(defun shr-rescale-image (data &optional force content-type)
-  "Rescale DATA, if too big, to fit the current buffer.
-If FORCE, rescale the image anyway."
-  (if (or (not (fboundp 'imagemagick-types))
-	  (not (get-buffer-window (current-buffer))))
+(defun shr-rescale-image (data &optional content-type)
+  "Rescale DATA, if too big, to fit the current buffer."
+  (if (not (and (fboundp 'imagemagick-types)
+                (get-buffer-window (current-buffer))))
       (create-image data nil t :ascent 100)
     (let ((edges (window-inside-pixel-edges
 		  (get-buffer-window (current-buffer)))))
@@ -964,13 +961,13 @@ ones, in case fg and bg are nil."
     (shr-generic cont)
     (shr-colorize-region start (point) fgcolor bgcolor)))
 
-(defun shr-tag-style (cont)
+(defun shr-tag-style (_cont)
   )
 
-(defun shr-tag-script (cont)
+(defun shr-tag-script (_cont)
   )
 
-(defun shr-tag-comment (cont)
+(defun shr-tag-comment (_cont)
   )
 
 (defun shr-dom-to-xml (dom)
@@ -1079,7 +1076,7 @@ ones, in case fg and bg are nil."
 	shr-start)
     (shr-generic cont)
     (when (and shr-target-id
-	       (equal (cdr (assq :name (cdr dom))) shr-target-id))
+	       (equal (cdr (assq :name cont)) shr-target-id))
       ;; We have a zero-length <a name="foo"> element, so just
       ;; insert...  something.
       (when (= start (point))
@@ -1326,7 +1323,7 @@ The preference is a float determined from `shr-prefer-media-type'."
 (defun shr-tag-h6 (cont)
   (shr-heading cont))
 
-(defun shr-tag-hr (cont)
+(defun shr-tag-hr (_cont)
   (shr-ensure-newline)
   (insert (make-string shr-width shr-hr-line) "\n"))