From 004d48222b0b69c84d73d8a17ae78603fd1b58e3 Mon Sep 17 00:00:00 2001
From: Jan Nieuwenhuizen <janneke@gnu.org>
Date: Sun, 29 Sep 2002 23:52:47 +0000
Subject: [PATCH] Fixes.

---
 scm/to-xml.scm | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/scm/to-xml.scm b/scm/to-xml.scm
index 47e8a6cf9b..76d78585d3 100644
--- a/scm/to-xml.scm
+++ b/scm/to-xml.scm
@@ -99,6 +99,12 @@ is then separated.
 (define (re-sub re to string)
   (regexp-substitute/global #f re string 'pre to 'post))
 
+(define (re-sub-alist string alist)
+  (re-sub (caar alist) (cdar alist)
+	  (if (pair? (cdr alist))
+	      (re-sub-alist string (cdr alist))
+	      string)))
+
 (define (open-tag tag attrs exceptions)
   (define (candidate? x)
     (not (memq (car x) exceptions)))
@@ -115,20 +121,13 @@ is then separated.
     (symbol->string sym)
     "=\""
 
-
     (let ((s (call-with-output-string (lambda (port) (display val port)))))
-      ;; ugh
-      (re-sub
-       "\"" "&quot;"
-       (re-sub
-	"<"  "&lt;"
-	(re-sub
-	 ">"  "&gt;"
-	 (re-sub
-	  "'"  "&apos;"
-	  (re-sub
-	   "&" "&amp;" s))))))
-     
+      (re-sub-alist s '(("\"" . "&quot;")
+			("<" . "&lt;")
+			(">" . "&gt;")
+			("'" . "&apos;")
+			("&" . "&amp;"))))
+    
     "\""
     )))
 
-- 
2.39.2