-                                       <variable name="subdir">
-                                               <choose>
-                                                       <when test="starts-with($parent, 'about:shushe?include=')">
-                                                               <text>/includes/</text>
-                                                       </when>
-                                                       <when test="starts-with($parent, 'about:shushe?source=')">
-                                                               <text>/sources/</text>
-                                                       </when>
-                                               </choose>
-                                       </variable>
-                                       <for-each select="document(concat($builddir, $subdir, @书社vocab:path), .)//书社:link[@xlink:show='embed']">
-                                               <if test="exsl:node-set($old)/书社:dependency-root[string()=string(current()/@xlink:href)]">
-                                                       <书社:recursive-dependency>
-                                                               <value-of select="$parent"/>
-                                                       </书社:recursive-dependency>
-                                               </if>
-                                               <if test="$files/@rdf:about[string()=string(current()/@xlink:href)]">
-                                                       <书社:dependency>
-                                                               <value-of select="@xlink:href"/>
-                                                       </书社:dependency>
-                                               </if>
+                                       <variable name="uri" select="书社vocab:hasParsedFile/@nfo:fileUrl"/>
+                                       <for-each select="document($uri)//书社:link[@xlink:show='embed']">
+                                               <variable name="identifier" select="string(current()/@xlink:href)"/>
+                                               <variable name="is-dir" select="substring($identifier, string-length($identifier))='/'"/>
+                                               <for-each select="$files/@rdf:about[string(.)=$identifier or $is-dir and starts-with(., $identifier)]">
+                                                       <sort select="." data-type="text" lang="zxx" case-order="upper-first"/>
+                                                       <choose>
+                                                               <when test="exsl:node-set($old)/书社:dependency-root[string()=string(current())]">
+                                                                       <书社:recursive-dependency>
+                                                                               <value-of select="$parent"/>
+                                                                       </书社:recursive-dependency>
+                                                               </when>
+                                                               <otherwise>
+                                                                       <书社:dependency>
+                                                                               <value-of select="."/>
+                                                                       </书社:dependency>
+                                                               </otherwise>
+                                                       </choose>
+                                               </for-each>