Index: subversion/libsvn_fs_base/reps-strings.c
===================================================================
--- subversion/libsvn_fs_base/reps-strings.c	(revision 16233)
+++ subversion/libsvn_fs_base/reps-strings.c	(working copy)
@@ -228,7 +228,7 @@
       /* Copy the (first) window into the baton. */
       apr_pool_t *window_pool = svn_pool_create (cb->trail->pool);
       assert (cb->window_pool == NULL);
-      cb->window = svn_txdelta__copy_window (window, window_pool);
+      cb->window = svn_txdelta_window_dup (window, window_pool);
       cb->window_pool = window_pool;
       cb->done = (window->sview_len == 0 || window->src_ops == 0);
     }
Index: subversion/include/svn_delta.h
===================================================================
--- subversion/include/svn_delta.h	(revision 16233)
+++ subversion/include/svn_delta.h	(working copy)
@@ -175,6 +175,13 @@
 
 } svn_txdelta_window_t;
 
+/**
+ * Return a deep copy of @a window, allocated in @a pool.
+ *
+ * @since New in 1.3.
+ */
+svn_txdelta_window_t *svn_txdelta_window_dup (
+    const svn_txdelta_window_t *window, apr_pool_t *pool);
 
 /** A typedef for functions that consume a series of delta windows, for
  * use in caller-pushes interfaces.  Such functions will typically
Index: subversion/include/svn_types.h
===================================================================
--- subversion/include/svn_types.h	(revision 16233)
+++ subversion/include/svn_types.h	(working copy)
@@ -354,6 +354,16 @@
 } svn_log_changed_path_t;
 
 
+/**
+ * Return a deep copy of @a changed_path, allocated in @a pool.
+ *
+ * @since New in 1.3.
+ */
+svn_log_changed_path_t *
+svn_log_changed_path_dup (const svn_log_changed_path_t *changed_path, 
+                          apr_pool_t *pool);
+
+
 /** The callback invoked by log message loopers, such as
  * @c svn_ra_plugin_t.get_log() and svn_repos_get_logs().
  *
Index: subversion/include/svn_auth.h
===================================================================
--- subversion/include/svn_auth.h	(revision 16233)
+++ subversion/include/svn_auth.h	(working copy)
@@ -294,6 +294,14 @@
   const char *ascii_cert;
 } svn_auth_ssl_server_cert_info_t;
 
+/**
+ * Return a deep copy of @a info, allocated in @a pool.
+ *
+ * @since New in 1.3.
+ */
+svn_auth_ssl_server_cert_info_t *svn_auth_ssl_server_cert_info_dup (
+    const svn_auth_ssl_server_cert_info_t *info, apr_pool_t *pool);
+
 /** @c SVN_AUTH_CRED_SSL_SERVER_TRUST credentials. */
 typedef struct svn_auth_cred_ssl_server_trust_t
 {
Index: subversion/libsvn_subr/constructors.c
===================================================================
--- subversion/libsvn_subr/constructors.c	(revision 16233)
+++ subversion/libsvn_subr/constructors.c	(working copy)
@@ -17,7 +17,9 @@
  */
 
 #include <apr_pools.h>
+#include <apr_strings.h>
 
+#include "svn_auth.h"
 #include "svn_types.h"
 
 
@@ -33,3 +35,37 @@
   return commit_info;
 }
 
+svn_auth_ssl_server_cert_info_t *
+svn_auth_ssl_server_cert_info_dup (
+  const svn_auth_ssl_server_cert_info_t *info, apr_pool_t *pool)
+{
+  svn_auth_ssl_server_cert_info_t *new_info =
+    apr_palloc (pool, sizeof (*new_info));
+
+  *new_info = *info;
+
+  new_info->hostname = apr_pstrdup (pool, new_info->hostname);
+  new_info->fingerprint = apr_pstrdup (pool, new_info->fingerprint);
+  new_info->valid_from = apr_pstrdup (pool, new_info->valid_from);
+  new_info->valid_until = apr_pstrdup (pool, new_info->valid_until);
+  new_info->issuer_dname = apr_pstrdup (pool, new_info->issuer_dname);
+  new_info->ascii_cert = apr_pstrdup (pool, new_info->ascii_cert);
+
+  return new_info;
+}
+
+svn_log_changed_path_t *
+svn_log_changed_path_dup (const svn_log_changed_path_t *changed_path,
+                          apr_pool_t *pool)
+{
+  svn_log_changed_path_t *new_changed_path =
+    apr_palloc (pool, sizeof (*new_changed_path));
+
+  *new_changed_path = *changed_path;
+
+  if (new_changed_path->copyfrom_path)
+    new_changed_path->copyfrom_path =
+      apr_pstrdup (pool, new_changed_path->copyfrom_path);
+
+  return new_changed_path;
+}
Index: subversion/libsvn_delta/delta.h
===================================================================
--- subversion/libsvn_delta/delta.h	(revision 16233)
+++ subversion/libsvn_delta/delta.h	(working copy)
@@ -69,12 +69,6 @@
 svn_txdelta__make_window (const svn_txdelta__ops_baton_t *build_baton,
                           apr_pool_t *pool);
 
-/* Return a copy of WINDOW, allocated from POOL. */
-svn_txdelta_window_t *
-svn_txdelta__copy_window (const svn_txdelta_window_t *window,
-                          apr_pool_t *pool);
-
-
 /* Create vdelta window data. Allocate temporary data from POOL. */
 void svn_txdelta__vdelta (svn_txdelta__ops_baton_t *build_baton,
                           const char *start,
Index: subversion/libsvn_delta/text_delta.c
===================================================================
--- subversion/libsvn_delta/text_delta.c	(revision 16233)
+++ subversion/libsvn_delta/text_delta.c	(working copy)
@@ -154,8 +154,8 @@
 
 
 svn_txdelta_window_t *
-svn_txdelta__copy_window (const svn_txdelta_window_t *window,
-                          apr_pool_t *pool)
+svn_txdelta_window_dup (const svn_txdelta_window_t *window,
+                        apr_pool_t *pool)
 {
   svn_txdelta__ops_baton_t build_baton = { 0 };
   svn_txdelta_window_t *new_window;