-       <template name="书社:process-dependencies">
-               <param name="processed"/>
-               <param name="unprocessed"/>
-               <variable name="queue">
-                       <copy-of select="exsl:node-set($unprocessed)/书社:dependency-root"/>
-                       <for-each select="exsl:node-set($unprocessed)/书社:dependency">
-                               <if test="not((exsl:node-set($processed)/书社:*|preceding-sibling::书社:*|following-sibling::书社:recursive-dependency)[string()=string(current())])">
-                                       <copy-of select="."/>
-                               </if>
-                       </for-each>
-               </variable>
-               <variable name="old">
-                       <copy-of select="exsl:node-set($processed)/书社:dependency-root"/>
-                       <copy-of select="exsl:node-set($processed)/书社:recursive-dependency"/>
-                       <for-each select="exsl:node-set($unprocessed)/书社:recursive-dependency">
-                               <if test="not((exsl:node-set($processed)/书社:recursive-dependency|preceding-sibling::书社:recursive-dependency)[string()=string(current())])">
-                                       <copy-of select="."/>
-                               </if>
-                       </for-each>
-                       <for-each select="exsl:node-set($processed)/书社:dependency">
-                               <if test="not(exsl:node-set($unprocessed)/书社:recursive-dependency[string()=string(current())])">
-                                       <copy-of select="."/>
-                               </if>
-                       </for-each>
-                       <copy-of select="$queue"/>
-               </variable>
-               <variable name="new">
-                       <for-each select="exsl:node-set($queue)/书社:*">
-                               <for-each select="$files[@rdf:about=string(current()) and nie:interpretedAs/nfo:PlainTextDocument]">
-                                       <variable name="parent" select="@rdf:about"/>
-                                       <variable name="uri" select="书社vocab:hasParsedFile/@nfo:fileUrl"/>
-                                       <for-each select="document($uri)//书社:link[@xlink:show='embed']">
-                                               <if test="exsl:node-set($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>
+       <template name="书社:collect-dependency-paths">
+               <param name="path" select="/.."/>
+               <variable name="parent" select="string($path/*[last()])"/>
+               <variable name="children-fragment">
+                       <for-each select="$files[@rdf:about=$parent and nie:interpretedAs/nfo:PlainTextDocument]">
+                               <variable name="uri" select="书社vocab:hasParsedFile/@nfo:fileUrl"/>
+                               <for-each select="document($uri)//书社:link[@xlink:show='embed']">
+                                       <variable name="identifier" select="string(@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(., $identifier)]">
+                                               <sort select="." data-type="text" lang="zxx" case-order="upper-first"/>
+                                               <choose>
+                                                       <when test="$path/*[string(.)=string(current())]">
+                                                               <书社:recursive-dependency>
+                                                                       <value-of select="."/>
+                                                               </书社:recursive-dependency>
+                                                       </when>
+                                                       <otherwise>
+                                                               <书社:dependency>
+                                                                       <value-of select="."/>
+                                                               </书社:dependency>
+                                                       </otherwise>
+                                               </choose>