X-Git-Url: https://git.jsancho.org/?p=blog.git;a=blobdiff_plain;f=haunt.scm;h=89b8e7edd2ab4336fd4aa0abf934837c900da218;hp=96838c43ff357632b203a1d04777bcdb89bd3fa2;hb=refs%2Fheads%2Fmaster;hpb=ac2f9b37051f24e6214268b5bc050a66f9b3e592

diff --git a/haunt.scm b/haunt.scm
index 96838c4..89b8e7e 100644
--- a/haunt.scm
+++ b/haunt.scm
@@ -33,9 +33,13 @@
 		   `(" "
 		     (span (@ (style "margin: 0 3px")) ⦿)
 		     (span (@ (class "tags"))
-			   ,@(map (lambda (tag)
-				    `((a (@ (href ,(format #f "tags/~a.html" tag))) ,tag) " "))
-				  tags)))))
+			   ,@(drop-right
+                              (apply
+                               append
+                               (map (lambda (tag)
+                                      `((a (@ (href ,(format #f "tags/~a.html" tag))) ,tag) ", "))
+                                    tags))
+                              1)))))
 	  (else
 	   div))))
 
@@ -85,14 +89,18 @@
                             (site-post-slug site post) ".html"))
 
 	   (define (get-paragraphs sxml count)
-	     (let ((pars (filter
-			  (lambda (e) (and (pair? e) (eq? (car e) 'p)))
-			  sxml)))
-	       (list-head pars (min count (length pars)))))
+             (define (getp sxml count res)
+               (cond ((or (= count 0) (null? sxml))
+                      res)
+                     ((and (pair? (car sxml)) (eq? (caar sxml) 'p))
+                      (getp (cdr sxml) (- count 1) (cons (car sxml) res)))
+                     (else
+                      (getp (cdr sxml) count (cons (car sxml) res)))))
+             (reverse (getp sxml count '())))
 		     
            (define (post-summary post)
              (or (post-ref post 'summary)
-		 (get-paragraphs (cdr (post-sxml post)) 3)))
+		 (get-paragraphs (cdar (post-sxml post)) 3)))
 
            `(
 	     ,@(map (lambda (post)