[svn] Clarify the logic of persistent_available_p.

diff --git a/src/http.c b/src/http.c
index b2027a93b15971e533b48d765dab5ce341dbcdd5..3a2f908ebd94f94dfbff11bf0881ceb37dfd89b7 100644 (file)
--- a/src/http.c
+++ b/src/http.c
@@ -969,12 +969,12 @@ persistent_available_p (const char *host, int port, int ssl,
      still hope -- read below.  */
   if (0 != strcasecmp (host, pconn.host))
     {
-      /* If pconn.socket is already talking to HOST, we needn't
-        reconnect.  This happens often when both sites are virtual
-        hosts distinguished only by name and served by the same
-        network interface, and hence the same web server (possibly
-        set up by the ISP and serving many different web sites).
-        This admittedly non-standard optimization does not contradict
+      /* Check if pconn.socket is talking to HOST under another name.
+        This happens often when both sites are virtual hosts
+        distinguished only by name and served by the same network
+        interface, and hence the same web server (possibly set up by
+        the ISP and serving many different web sites).  This
+        admittedly unconventional optimization does not contradict
         HTTP and works well with popular server software.  */
 
       int found;
@@ -983,8 +983,8 @@ persistent_available_p (const char *host, int port, int ssl,
 
       if (ssl)
        /* Don't try to talk to two different SSL sites over the same
-          secure connection!  (Besides, it's not clear if name-based
-          virtual hosting is even possible with SSL.)  */
+          secure connection!  (Besides, it's not clear that
+          name-based virtual hosting is even possible with SSL.)  */
        return 0;
 
       /* If pconn.socket's peer is one of the IP addresses HOST