diff --git a/changelog b/changelog
--- a/changelog
+++ b/changelog
@@ -1,3 +1,9 @@
+pandoc-citeproc (0.13.0.1)
+
+  * Suppress empty footnotes.
+  * Use walk instead of bottomUp.  This requires pandoc-types 1.17.3
+    but gives a  speed boost.
+
 pandoc-citeproc (0.13)
 
   * Made bibliography parsing more efficient.  (API change)
diff --git a/pandoc-citeproc.cabal b/pandoc-citeproc.cabal
--- a/pandoc-citeproc.cabal
+++ b/pandoc-citeproc.cabal
@@ -1,5 +1,5 @@
 name:               pandoc-citeproc
-version:            0.13
+version:            0.13.0.1
 cabal-version:      >= 1.12
 synopsis:           Supports using pandoc with citeproc
 
@@ -108,7 +108,7 @@
     ghc-prof-options: -fprof-auto-exported
     build-depends:    containers, directory, mtl,
                       bytestring, filepath,
-                      pandoc-types >= 1.16 && < 1.18,
+                      pandoc-types >= 1.17.3 && < 1.18,
                       pandoc >= 1.16 && < 2.2,
                       tagsoup,
                       aeson >= 0.7 && < 1.3,
@@ -155,7 +155,7 @@
     ghc-options:      -funbox-strict-fields -Wall
     ghc-prof-options: -fprof-auto-exported -rtsopts
     build-depends:    base >= 4, pandoc-citeproc,
-                      pandoc-types >= 1.16 && < 1.18,
+                      pandoc-types >= 1.17.3 && < 1.18,
                       pandoc >= 1.16 && < 2.2,
                       aeson,
                       aeson-pretty >= 0.8, yaml, bytestring, syb, attoparsec, text,
@@ -180,7 +180,7 @@
   else
     Buildable:    False
   build-depends:  base >= 4, aeson, directory, text, mtl,
-                  pandoc-types >= 1.16 && < 1.18,
+                  pandoc-types >= 1.17.3 && < 1.18,
                   pandoc >= 1.16 && < 2.2,
                   filepath, containers,
                   bytestring, pandoc-citeproc, process, temporary >= 1.1,
@@ -196,7 +196,7 @@
                   Prelude
   Hs-Source-Dirs: tests, prelude, compat
   build-depends:  base >= 4, aeson, directory, text,
-                  pandoc-types >= 1.16 && < 1.18, mtl,
+                  pandoc-types >= 1.17.3 && < 1.18, mtl,
                   pandoc >= 1.16 && < 2.2, filepath, containers,
                   bytestring, pandoc-citeproc, process, temporary >= 1.1,
                   yaml >= 0.8.8.7
diff --git a/src/Text/CSL/Input/Bibtex.hs b/src/Text/CSL/Input/Bibtex.hs
--- a/src/Text/CSL/Input/Bibtex.hs
+++ b/src/Text/CSL/Input/Bibtex.hs
@@ -41,7 +41,6 @@
 import           Text.CSL.Util          (onBlocks, protectCase, safeRead,
                                          splitStrWhen, trim, unTitlecase)
 import           Text.Pandoc.Definition
-import           Text.Pandoc.Generic    (bottomUp)
 import qualified Text.Pandoc.UTF8       as UTF8
 import qualified Text.Pandoc.Walk       as Walk
 import Text.Parsec hiding (State, many, (<|>))
@@ -57,7 +56,8 @@
 adjustSpans _ (Span ("",[],[]) xs) = xs
 adjustSpans lang (RawInline (Format "latex") s)
   | s == "\\hyphen" || s == "\\hyphen " = [Str "-"]
-  | otherwise = bottomUp (concatMap (adjustSpans lang)) $ parseRawLaTeX lang s
+  | otherwise = Walk.walk (concatMap (adjustSpans lang))
+                $ parseRawLaTeX lang s
 adjustSpans _ x = [x]
 
 parseRawLaTeX :: Lang -> String -> [Inline]
@@ -85,7 +85,7 @@
 inlinesToFormatted :: [Inline] -> Bib Formatted
 inlinesToFormatted ils = do
   lang <- gets localeLanguage
-  return $ Formatted $ bottomUp (concatMap (adjustSpans lang)) ils
+  return $ Formatted $ Walk.walk (concatMap (adjustSpans lang)) ils
 
 data Item = Item{ identifier :: String
                 , entryType  :: String
diff --git a/src/Text/CSL/Pandoc.hs b/src/Text/CSL/Pandoc.hs
--- a/src/Text/CSL/Pandoc.hs
+++ b/src/Text/CSL/Pandoc.hs
@@ -60,12 +60,12 @@
       moveNotes     = case lookupMeta "notes-after-punctuation" m1 of
                            Just (MetaBool False) -> False
                            _                     -> True
-      Pandoc m3 bs  = bottomUp (mvPunct moveNotes style) . deNote .
-                        topDown (processCite style cits_map) $ Pandoc m2 b2
+      Pandoc m3 bs  = walk (mvPunct moveNotes style) . deNote .
+                        walk (processCite style cits_map) $ Pandoc m2 b2
       m             = case metanocites of
                             Nothing -> m3
                             Just x  -> setMeta "nocite" x m3
-  in  Pandoc m $ bottomUp (concatMap removeNocaseSpans)
+  in  Pandoc m $ walk (concatMap removeNocaseSpans)
                $ insertRefs m biblioList bs
 
 -- if document contains a Div with id="refs", insert
@@ -272,34 +272,38 @@
 isSpacy _         = False
 
 mvPunct :: Bool -> Style -> [Inline] -> [Inline]
-mvPunct _ _ (x : Space : xs)
-  | isSpacy x = x : xs
-mvPunct moveNotes _ (s : x : ys)
+mvPunct moveNotes sty (x : Space : xs)
+  | isSpacy x = x : mvPunct moveNotes sty xs
+mvPunct moveNotes sty (s : x : ys)
   | isSpacy s
   , isNote x
   , startWithPunct ys
   = if moveNotes
-       then Str (headInline ys) : x : tailInline ys
-       else x : ys
-mvPunct moveNotes _ (Cite cs ils : ys)
+       then Str (headInline ys) : x :
+            mvPunct moveNotes sty (tailInline ys)
+       else x : mvPunct moveNotes sty ys
+mvPunct moveNotes sty (Cite cs ils : ys)
    | length ils > 1
    , isNote (last ils)
    , startWithPunct ys
    , moveNotes
    = Cite cs (init ils
      ++ [Str (headInline ys) | not (endWithPunct False (init ils))]
-     ++ [last ils]) : tailInline ys
+     ++ [last ils]) : mvPunct moveNotes sty (tailInline ys)
 mvPunct moveNotes sty (q@(Quoted _ _) : w@(Str _) : x : ys)
   | isNote x
   , isPunctuationInQuote sty
   , moveNotes
-  = mvPunctInsideQuote q w ++ (x : ys)
-mvPunct _ _ (s : x : ys) | isSpacy s, isNote x = x : ys
-mvPunct _ _ (s : x@(Cite _ (Superscript _ : _)) : ys) | isSpacy s = x : ys
-mvPunct _ _ (Cite cs ils : Str "." : ys)
+  = mvPunctInsideQuote q w ++ (x : mvPunct moveNotes sty ys)
+mvPunct moveNotes sty (s : x : ys) | isSpacy s, isNote x =
+  x : mvPunct moveNotes sty ys
+mvPunct moveNotes sty (s : x@(Cite _ (Superscript _ : _)) : ys)
+  | isSpacy s = x : mvPunct moveNotes sty ys
+mvPunct moveNotes sty (Cite cs ils : Str "." : ys)
   | lastInline ils == "."
-  = Cite cs ils : ys
-mvPunct _ _ xs = xs
+  = Cite cs ils : mvPunct moveNotes sty ys
+mvPunct moveNotes sty (x:xs) = x : mvPunct moveNotes sty xs
+mvPunct _ _ [] = []
 
 endWithPunct :: Bool -> [Inline] -> Bool
 endWithPunct _ [] = True
diff --git a/src/Text/CSL/Proc.hs b/src/Text/CSL/Proc.hs
--- a/src/Text/CSL/Proc.hs
+++ b/src/Text/CSL/Proc.hs
@@ -317,6 +317,7 @@
     | otherwise = formatCits cs
     where
       isNote    = styleClass s == "note"
+      toNote (Formatted []) = mempty
       toNote (Formatted xs) = Formatted [Note [Para xs]]
       combine (Formatted []) ys = ys
       combine xs ys =
diff --git a/src/Text/CSL/Style.hs b/src/Text/CSL/Style.hs
--- a/src/Text/CSL/Style.hs
+++ b/src/Text/CSL/Style.hs
@@ -116,7 +116,6 @@
                                          parseString, query, splitStrWhen,
                                          tailInline, trimr, (.#:), (.#?),
                                          AddYaml(..))
-import           Text.Pandoc            (bottomUp)
 import qualified Text.Pandoc.Builder    as B
 import           Text.Pandoc.Definition hiding (Citation, Cite)
 import qualified Text.Pandoc.Walk       as Walk
@@ -165,13 +164,13 @@
 writeYAMLString ils =
   trimr $ writeMarkdown
         $ Pandoc nullMeta
-          [Plain $ bottomUp (concatMap (adjustCSL False)) ils]
+          [Plain $ Walk.walk (concatMap (adjustCSL False)) ils]
 
 writeCSLString :: [Inline] -> String
 writeCSLString ils =
   trimr $ writeMarkdown
         $ Pandoc nullMeta
-          [Plain $ bottomUp (concatMap (adjustCSL True)) ils]
+          [Plain $ Walk.walk (concatMap (adjustCSL True)) ils]
 
 -- If the first param is True, we use special rich text conventions
 -- for CSL JSON, described here:
diff --git a/stack.yaml b/stack.yaml
--- a/stack.yaml
+++ b/stack.yaml
@@ -13,4 +13,6 @@
 - pandoc-2.1
 - hslua-0.9.5
 - skylighting-0.5.1
+ghc-options:
+   "$locals": -fhide-source-paths
 resolver: lts-10.2
diff --git a/tests/jats.csl b/tests/jats.csl
new file mode 100644
--- /dev/null
+++ b/tests/jats.csl
@@ -0,0 +1,208 @@
+<?xml version="1.0" encoding="utf-8"?>
+<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" default-locale="en-US">
+  <info>
+    <title>Journal Article Tag Suite</title>
+    <title-short>JATS</title-short>
+    <id>http://www.zotero.org/styles/journal-article-tag-suite</id>
+    <link href="https://github.com/MartinPaulEve/JATS-CSL/blob/master/jats.csl" rel="self"/>
+    <link rel="documentation" href="http://jats.nlm.nih.gov/archiving/tag-library/1.0/index.html"/>
+    <author>
+      <name>Martin Paul Eve</name>
+      <email>martin@martineve.com</email>
+    </author>
+    <category citation-format="numeric"/>
+    <category field="medicine"/>
+    <category field="biology"/>
+    <summary>Use this style to generate bibliographic data in Journal Article Tagging Suite (JATS) 1.0 XML format</summary>
+    <updated>2014-06-21T17:41:26+00:00</updated>
+    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License. Originally by Martin Fenner.</rights>
+  </info>
+  <locale xml:lang="en">
+    <terms>
+        <term name="et-al">{{jats}}&lt;etal/&gt;{{/jats}}</term>
+    </terms>
+  </locale>
+  <macro name="citation-number">
+    <text variable="citation-number" prefix="{{jats}}id=&quot;ref-{{/jats}}" suffix="{{jats}}&quot;&gt;{{/jats}}"/>
+  </macro>
+  <macro name="author">
+    <names variable="author">
+        <name prefix="{{jats}}&lt;name&gt;{{/jats}}" suffix="{{jats}}&lt;/name&gt;{{/jats}}" name-as-sort-order="all" sort-separator="">
+            <name-part name="family" text-case="capitalize-first" prefix="{{jats}}&lt;surname&gt;{{/jats}}" suffix="{{jats}}&lt;/surname&gt;{{/jats}}"/>
+            <name-part name="given" text-case="capitalize-first" prefix="{{jats}}&lt;given-names&gt;{{/jats}}" suffix="{{jats}}&lt;/given-names&gt;{{/jats}}"/>
+      </name>
+      <substitute>
+        <names variable="editor"/>
+      </substitute>
+    </names>
+  </macro>
+
+  <macro name="editor">
+    <names variable="editor" prefix="{{jats}}&lt;person-group person-group-type=&quot;editor&quot;&gt;{{/jats}}" suffix="{{jats}}&lt;/person-group&gt;{{/jats}}">
+      <name prefix="{{jats}}&lt;name&gt;{{/jats}}" suffix="{{jats}}&lt;/name&gt;{{/jats}}" name-as-sort-order="all" sort-separator="">
+        <name-part name="family" text-case="capitalize-first" prefix="{{jats}}&lt;surname&gt;{{/jats}}" suffix="{{jats}}&lt;/surname&gt;{{/jats}}"/>
+        <name-part name="given" text-case="capitalize-first" prefix="{{jats}}&lt;given-names&gt;{{/jats}}" suffix="{{jats}}&lt;/given-names&gt;{{/jats}}"/>
+      </name>
+      <substitute>
+        <names variable="editor"/>
+      </substitute>
+    </names>
+  </macro>
+
+  <macro name="editor">
+    <group delimiter=": ">
+      <names variable="editor">
+        <name prefix="{{jats}}&lt;name&gt;{{/jats}}" suffix="{{jats}}&lt;/name&gt;{{/jats}}" name-as-sort-order="all" sort-separator="">
+          <name-part name="family" text-case="capitalize-first" prefix="{{jats}}&lt;surname&gt;{{/jats}}" suffix="{{jats}}&lt;/surname&gt;{{/jats}}"/>
+          <name-part name="given" text-case="capitalize-first" prefix="{{jats}}&lt;given-names&gt;{{/jats}}" suffix="{{jats}}&lt;given-names&gt;{{/jats}}"/>
+        </name>
+      </names>
+    </group>
+  </macro>
+  <macro name="title">
+    <choose>
+      <if type="book" match="any">
+        <group prefix="{{jats}}&lt;source&gt;{{/jats}}" suffix="{{jats}}&lt;/source&gt;{{/jats}}">
+	        <text variable="title"/>
+				</group>			
+			</if>
+      <else>
+        <group prefix="{{jats}}&lt;article-title&gt;{{/jats}}" suffix="{{jats}}&lt;/article-title&gt;{{/jats}}">
+	        <text variable="title"/>
+				</group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="container-title">
+    <text variable="container-title" form="short" prefix="{{jats}}&lt;source&gt;{{/jats}}" suffix="{{jats}}&lt;/source&gt;{{/jats}}"/>
+  </macro>
+  <macro name="publisher">
+    <text variable="publisher" prefix="{{jats}}&lt;publisher-name&gt;{{/jats}}" suffix="{{jats}}&lt;/publisher-name&gt;{{/jats}}"/>
+    <text variable="publisher-place" prefix="{{jats}}&lt;publisher-loc&gt;{{/jats}}" suffix="{{jats}}&lt;/publisher-loc&gt;{{/jats}}"/>
+  </macro>
+  <macro name="link">
+    <choose>
+      <if match="any" variable="DOI">
+        <group prefix="{{jats}}&lt;pub-id pub-id-type=&quot;doi&quot;&gt;{{/jats}}" suffix="{{jats}}&lt;/pub-id&gt;{{/jats}}">
+          <text variable="DOI"/>
+        </group>
+      </if>
+    </choose>
+    <choose>
+      <if match="any" variable="PMID">
+        <group prefix="{{jats}}&lt;ext-link ext-link-type=&quot;pmid&quot; {{/jats}}" suffix="{{jats}}&lt;/ext-link&gt;{{/jats}}">
+          <text variable="PMID" prefix="{{jats}}xlink:href=&quot;http://www.ncbi.nlm.nih.gov/pubmed/{{/jats}}" suffix="{{jats}}&quot; xlink:type=&quot;simple&quot;&gt;{{/jats}}"/>
+          <text variable="PMID"/>
+        </group>
+      </if>
+    </choose>
+    <choose>
+      <if variable="URL" match="any">
+        <group prefix="{{jats}}&lt;ext-link ext-link-type=&quot;uri&quot; {{/jats}}" suffix="{{jats}}&lt;/ext-link&gt;{{/jats}}">
+          <text variable="URL" prefix="{{jats}}xlink:href=&quot;{{/jats}}" suffix="{{jats}}&quot; xlink:type=&quot;simple&quot;&gt;{{/jats}}"/>
+          <text variable="URL"/>
+        </group>
+      </if>
+    </choose>
+  </macro>
+  <macro name="date">
+    <choose>
+      <if type="article-journal article-magazine article-newspaper report patent book" match="any">
+        <group prefix="{{jats}}&lt;date&gt;{{/jats}}" suffix="{{jats}}&lt;/date&gt;{{/jats}}">
+          <date variable="issued">
+            <date-part name="day" form="numeric-leading-zeros" prefix="{{jats}}&lt;day&gt;{{/jats}}" suffix="{{jats}}&lt;/day&gt;{{/jats}}"/>
+            <date-part name="month" form="numeric-leading-zeros" prefix="{{jats}}&lt;month&gt;{{/jats}}" suffix="{{jats}}&lt;/month&gt;{{/jats}}"/>
+            <date-part name="year" prefix="{{jats}}&lt;year&gt;{{/jats}}" suffix="{{jats}}&lt;/year&gt;{{/jats}}"/>
+          </date>
+        </group>
+      </if>
+      <else>
+        <group prefix="{{jats}}&lt;date-in-citation content-type=&quot;access-date&quot;{{/jats}}" suffix="{{jats}}&lt;/date-in-citation&gt;{{/jats}}">
+          <date variable="accessed" prefix="{{jats}} iso-8601-date=&quot;{{/jats}}" suffix="{{jats}}&quot;&gt;{{/jats}}">
+            <date-part name="year"/>
+            <date-part name="month" form="numeric-leading-zeros" prefix="{{jats}}-{{/jats}}"/>
+            <date-part name="day" form="numeric-leading-zeros" prefix="{{jats}}-{{/jats}}"/>
+          </date>
+          <date variable="accessed">
+            <date-part name="day" prefix="{{jats}}&lt;day&gt;{{/jats}}" suffix="{{jats}}&lt;/day&gt;{{/jats}}"/>
+            <date-part name="month" form="numeric-leading-zeros" prefix="{{jats}}&lt;month&gt;{{/jats}}" suffix="{{jats}}&lt;/month&gt;{{/jats}}"/>
+            <date-part name="year" prefix="{{jats}}&lt;year&gt;{{/jats}}" suffix="{{jats}}&lt;/year&gt;{{/jats}}"/>
+          </date>
+        </group>
+      </else>
+    </choose>
+  </macro>
+  <macro name="location">
+    <choose>
+      <if type="article-journal article-magazine" match="any">
+        <text variable="volume" prefix="{{jats}}&lt;volume&gt;{{/jats}}" suffix="{{jats}}&lt;/volume&gt;{{/jats}}"/>
+        <text variable="issue" prefix="{{jats}}&lt;issue&gt;{{/jats}}" suffix="{{jats}}&lt;/issue&gt;{{/jats}}"/>
+      </if>
+    </choose>
+    <choose>
+      <if type="article-journal article-magazine article-newspaper chapter" match="any">
+        <text variable="page-first" prefix="{{jats}}&lt;fpage&gt;{{/jats}}" suffix="{{jats}}&lt;/fpage&gt;{{/jats}}"/>
+      </if>
+    </choose>
+  </macro>
+  <macro name="publication-type">
+    <group prefix="{{jats}} publication-type=&quot;{{/jats}}" suffix="{{jats}}&quot;&gt;{{/jats}}">
+      <choose>
+        <if type="article-journal article-magazine article-newspaper" match="any">
+          <text value="journal"/>
+        </if>
+        <else-if type="book" match="any">
+          <text value="book"/>
+        </else-if>
+        <else-if type="chapter" match="any">
+          <text value="bookchapter"/>
+        </else-if>
+        <else-if type="dataset" match="any">
+          <text value="dataset"/>
+        </else-if>
+        <else-if type="patent" match="any">
+          <text value="patent"/>
+        </else-if>
+        <else-if type="report" match="any">
+          <text value="report"/>
+        </else-if>
+        <else-if type="review" match="any">
+          <text value="review"/>
+        </else-if>
+        <else>
+          <text value="standard"/>
+        </else>
+      </choose>
+    </group>
+  </macro>
+  <citation collapse="citation-number">
+    <sort>
+      <key variable="citation-number"/>
+    </sort>
+    <layout delimiter=",">
+      <group prefix="{{jats}}&lt;xref ref-type=&quot;bibr&quot; rid=&quot;{{/jats}}" suffix="{{jats}}&lt;/xref&gt;{{/jats}}">
+        <text variable="citation-number" prefix="{{jats}}ref-{{/jats}}" suffix="{{jats}}&quot;&gt;{{/jats}}"/>
+        <text variable="citation-number"/>
+      </group>
+    </layout>
+  </citation>
+  <bibliography sort-separator="">
+    <layout>
+      <group prefix="{{jats}}&lt;ref {{/jats}}" suffix="{{jats}}&lt;/ref&gt;{{/jats}}">
+        <text macro="citation-number"/>
+        <group prefix="{{jats}}&lt;element-citation{{/jats}}" suffix="{{jats}}&lt;/element-citation&gt;{{/jats}}">
+          <text macro="publication-type"/>
+          <text macro="author" prefix="{{jats}}&lt;person-group person-group-type=&quot;author&quot;&gt;{{/jats}}" suffix="{{jats}}&lt;/person-group&gt;{{/jats}}"/>
+          <text macro="title" />
+          <text macro="container-title"/>
+          <text macro="editor"/>
+          <text macro="publisher"/>
+          <text macro="date"/>
+          <text macro="location"/>
+          <text macro="link"/>
+        </group>
+      </group>
+    </layout>
+  </bibliography>
+</style>
+
diff --git a/tests/modern-language-association-7th-edition.csl b/tests/modern-language-association-7th-edition.csl
deleted file mode 100644
--- a/tests/modern-language-association-7th-edition.csl
+++ /dev/null
@@ -1,460 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="never">
-  <info>
-    <title>Modern Language Association 7th edition</title>
-    <title-short>MLA</title-short>
-    <id>http://www.zotero.org/styles/modern-language-association-7th-edition</id>
-    <link href="http://www.zotero.org/styles/modern-language-association-7th-edition" rel="self"/>
-    <link href="http://owl.english.purdue.edu/owl/section/2/11/" rel="documentation"/>
-    <author>
-      <name>Ilouise S. Bradford</name>
-      <email>isbradford@gmail.com</email>
-    </author>
-    <contributor>
-      <name>Sarah Ficke</name>
-      <email>sficke@email.unc.edu</email>
-    </contributor>
-    <contributor>
-      <name>Sebastian Karcher</name>
-      <email>karcher@u.northwestern.edu</email>
-    </contributor>
-    <contributor>
-      <name>Christian Werthschulte</name>
-      <email>Christian.Werthschulte@rub.de</email>
-    </contributor>
-    <contributor>
-      <name>Simon Kornblith</name>
-      <email>simon@simonster.com</email>
-    </contributor>
-    <contributor>
-      <name>James Johnston</name>
-      <email>thejamesjohnston@gmail.com</email>
-    </contributor>
-    <category citation-format="author"/>
-    <category field="generic-base"/>
-    <summary>This style adheres to the MLA 7th edition handbook and contains modifications to these types of sources: e-mail, forum posts, interviews, manuscripts, maps, presentations, TV broadcasts, and web pages.</summary>
-    <updated>2017-04-27T18:03:35+00:00</updated>
-    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
-  </info>
-  <locale xml:lang="en">
-    <terms>
-      <term name="month-01" form="short">Jan.</term>
-      <term name="month-02" form="short">Feb.</term>
-      <term name="month-03" form="short">Mar.</term>
-      <term name="month-04" form="short">Apr.</term>
-      <term name="month-05" form="short">May</term>
-      <term name="month-06" form="short">June</term>
-      <term name="month-07" form="short">July</term>
-      <term name="month-08" form="short">Aug.</term>
-      <term name="month-09" form="short">Sept.</term>
-      <term name="month-10" form="short">Oct.</term>
-      <term name="month-11" form="short">Nov.</term>
-      <term name="month-12" form="short">Dec.</term>
-      <term name="volume" form="short">
-        <single>Vol.</single>
-        <multiple>vols</multiple>
-      </term>
-      <term name="edition" form="short">ed</term>
-      <term name="editor" form="verb-short">ed.</term>
-      <term name="translator" form="verb-short">trans.</term>
-      <term name="translator" form="short">trans.</term>
-    </terms>
-  </locale>
-  <macro name="editor-translator">
-    <names variable="editor translator" delimiter=". ">
-      <label form="verb-short" text-case="capitalize-first" suffix=" "/>
-      <name and="text" delimiter=", "/>
-    </names>
-  </macro>
-  <macro name="author">
-    <names variable="author">
-      <name name-as-sort-order="first" and="text" sort-separator=", " delimiter=", " delimiter-precedes-last="always"/>
-      <label form="short" prefix=", "/>
-      <substitute>
-        <names variable="editor"/>
-        <names variable="translator"/>
-        <text macro="title"/>
-      </substitute>
-    </names>
-  </macro>
-  <macro name="author-short">
-    <names variable="author">
-      <name form="short" and="text" delimiter=", " initialize-with=". "/>
-      <substitute>
-        <names variable="editor"/>
-        <names variable="translator"/>
-        <text macro="title-short"/>
-      </substitute>
-    </names>
-  </macro>
-  <macro name="access">
-    <group delimiter=" ">
-      <date variable="accessed">
-        <date-part name="day" suffix=" "/>
-        <date-part name="month" form="short" suffix=" "/>
-        <date-part name="year"/>
-      </date>
-    </group>
-  </macro>
-  <macro name="issued-full-date">
-    <choose>
-      <if variable="issued">
-        <date variable="issued">
-          <date-part name="day" suffix=" "/>
-          <date-part name="month" form="short" suffix=" " strip-periods="false"/>
-          <date-part name="year"/>
-        </date>
-      </if>
-      <else>
-        <text term="no date" form="short"/>
-      </else>
-    </choose>
-  </macro>
-  <macro name="medium">
-    <choose>
-      <if type="motion_picture">
-        <choose>
-          <if variable="medium">
-            <text variable="medium" prefix=" "/>
-          </if>
-          <else>
-            <text value="Film" prefix=" "/>
-          </else>
-        </choose>
-      </if>
-      <else-if type="broadcast">
-        <choose>
-          <if variable="medium">
-            <text variable="medium" prefix=" "/>
-          </if>
-          <else>
-            <text value="Television" prefix=" "/>
-          </else>
-        </choose>
-      </else-if>
-      <else-if type="manuscript">
-        <text value=""/>
-      </else-if>
-      <else-if type="personal_communication" match="any">
-        <text value="" prefix=" "/>
-      </else-if>
-      <else-if type="speech" match="any">
-        <text value=""/>
-      </else-if>
-      <else-if type="interview">
-        <text variable="medium" prefix=" "/>
-      </else-if>
-      <else-if type="song">
-        <choose>
-          <if variable="medium">
-            <text variable="medium" prefix=" "/>
-          </if>
-          <else>
-            <text value="Audio Recording" prefix=" "/>
-          </else>
-        </choose>
-      </else-if>
-      <else-if type="graphic" variable="medium" match="all">
-        <text variable="medium" prefix=" "/>
-      </else-if>
-      <else>
-        <choose>
-          <if variable="URL DOI" match="any">
-            <text variable="source" prefix=" " suffix="." font-style="italic"/>
-            <group>
-              <text value="Web." prefix=" "/>
-            </group>
-            <text prefix=" " suffix="." macro="access"/>
-          </if>
-          <else>
-            <text value="Print" prefix=" "/>
-          </else>
-        </choose>
-      </else>
-    </choose>
-  </macro>
-  <macro name="title">
-    <choose>
-      <if type="bill book graphic legal_case legislation manuscript motion_picture report song" match="any">
-        <text variable="title" font-style="italic" text-case="title"/>
-      </if>
-      <else-if type="interview personal_communication" match="any">
-        <text variable="title" text-case="title" quotes="false"/>
-      </else-if>
-      <else>
-        <text variable="title" text-case="title" quotes="true"/>
-      </else>
-    </choose>
-  </macro>
-  <macro name="title-short">
-    <choose>
-      <if type="bill book graphic legal_case legislation manuscript motion_picture report song" match="any">
-        <text variable="title" text-case="title" form="short" font-style="italic"/>
-      </if>
-      <else>
-        <text variable="title" text-case="title" form="short" quotes="true"/>
-      </else>
-    </choose>
-  </macro>
-  <macro name="pages">
-    <choose>
-      <if variable="page">
-        <text variable="page"/>
-      </if>
-      <else-if type="personal_communication interview" match="any">
-        <text value=""/>
-      </else-if>
-      <else>
-        <text value="n. pag"/>
-      </else>
-    </choose>
-  </macro>
-  <macro name="edition">
-    <choose>
-      <if is-numeric="edition">
-        <group delimiter=" ">
-          <number variable="edition" form="ordinal"/>
-          <text term="edition" form="short"/>
-        </group>
-      </if>
-      <else>
-        <text variable="edition"/>
-      </else>
-    </choose>
-  </macro>
-  <macro name="volume">
-    <choose>
-      <if is-numeric="volume">
-        <group delimiter=" ">
-          <text term="volume" form="short" strip-periods="false"/>
-          <number variable="volume"/>
-        </group>
-      </if>
-      <else>
-        <text variable="volume"/>
-      </else>
-    </choose>
-  </macro>
-  <macro name="number-of-volumes-only">
-    <choose>
-      <if variable="volume" match="none">
-        <choose>
-          <if is-numeric="number-of-volumes">
-            <group delimiter=" ">
-              <number variable="number-of-volumes"/>
-              <text term="volume" form="short" plural="true" strip-periods="true"/>
-            </group>
-          </if>
-          <else>
-            <text variable="number-of-volumes"/>
-          </else>
-        </choose>
-      </if>
-    </choose>
-  </macro>
-  <macro name="number-of-volumes-optional">
-    <choose>
-      <if variable="volume">
-        <choose>
-          <if is-numeric="number-of-volumes">
-            <group delimiter=" ">
-              <number variable="number-of-volumes"/>
-              <text term="volume" form="short" plural="true" strip-periods="true"/>
-            </group>
-          </if>
-          <else>
-            <text variable="number-of-volumes"/>
-          </else>
-        </choose>
-      </if>
-    </choose>
-  </macro>
-  <macro name="collection-title">
-    <text variable="collection-title" text-case="title" prefix=" "/>
-  </macro>
-  <macro name="collection-number">
-    <text variable="collection-number" prefix=" " suffix="."/>
-  </macro>
-  <macro name="publisher">
-    <choose>
-      <if variable="publisher">
-        <text variable="publisher"/>
-      </if>
-      <else>
-        <text value="N.p."/>
-      </else>
-    </choose>
-  </macro>
-  <macro name="publisher-year">
-    <group delimiter=", ">
-      <group delimiter=": ">
-        <text variable="publisher-place"/>
-        <text macro="publisher"/>
-      </group>
-      <date variable="issued">
-        <date-part name="year"/>
-      </date>
-    </group>
-  </macro>
-  <citation et-al-min="2" et-al-use-first="1" disambiguate-add-names="true" disambiguate-add-givenname="true">
-    <layout prefix="(" suffix=")" delimiter="; ">
-      <group delimiter=" ">
-        <choose>
-          <if variable="author editor translator" match="any">
-            <group delimiter=", ">
-              <text macro="author-short"/>
-              <choose>
-                <if disambiguate="true">
-                  <text macro="title-short"/>
-                </if>
-              </choose>
-            </group>
-          </if>
-          <else>
-            <text macro="title-short"/>
-          </else>
-        </choose>
-        <text variable="locator"/>
-      </group>
-    </layout>
-  </citation>
-  <bibliography hanging-indent="true" et-al-min="4" et-al-use-first="1" line-spacing="2" entry-spacing="0" subsequent-author-substitute="---">
-    <sort>
-      <key macro="author"/>
-      <key variable="title"/>
-    </sort>
-    <layout suffix=".">
-      <text macro="author" suffix="."/>
-      <text macro="title" prefix=" " suffix="."/>
-      <choose>
-        <if type="bill book graphic legal_case legislation motion_picture report song" match="any">
-          <text macro="editor-translator" prefix=" " suffix="."/>
-          <text macro="edition" prefix=" " suffix="."/>
-          <text macro="volume" prefix=" " suffix="."/>
-          <text macro="number-of-volumes-only" prefix=" " suffix="."/>
-          <text macro="publisher-year" prefix=" " suffix="."/>
-        </if>
-        <else-if type="chapter paper-conference" match="any">
-          <group>
-            <text variable="container-title" text-case="title" font-style="italic" prefix=" " suffix="."/>
-            <text macro="editor-translator" prefix=" " suffix="."/>
-            <text macro="edition" prefix=" " suffix="."/>
-            <text macro="volume" prefix=" " suffix="."/>
-            <text macro="number-of-volumes-only" prefix=" " suffix="."/>
-            <text macro="publisher-year" prefix=" " suffix="."/>
-          </group>
-          <text variable="page" prefix=" " suffix="."/>
-        </else-if>
-        <else-if type="thesis">
-          <text variable="genre" prefix=" " suffix="."/>
-          <group delimiter=", ">
-            <text macro="publisher" prefix=" "/>
-            <date variable="issued" prefix=" " suffix=".">
-              <date-part name="year"/>
-            </date>
-          </group>
-          <text variable="archive_location" prefix=" " suffix="."/>
-        </else-if>
-        <else-if type="manuscript">
-          <date variable="issued" prefix=" " suffix=".">
-            <date-part name="year"/>
-          </date>
-          <text variable="genre" prefix=" " suffix="."/>
-          <text variable="archive_location" prefix=" " suffix="."/>
-          <text variable="publisher-place" prefix=" "/>
-        </else-if>
-        <else-if type="personal_communication">
-          <date variable="issued" prefix=" " suffix=".">
-            <date-part name="day" suffix=" "/>
-            <date-part name="month" form="short" suffix=" "/>
-            <date-part name="year"/>
-          </date>
-          <choose>
-            <if variable="genre">
-              <text prefix=" " suffix="." variable="genre"/>
-            </if>
-            <else>
-              <text prefix=" " suffix="." value="E-mail"/>
-            </else>
-          </choose>
-        </else-if>
-        <else-if type="map">
-          <text variable="genre" prefix=" " suffix="."/>
-          <text variable="publisher-place" prefix=" " suffix=":"/>
-          <text macro="publisher" prefix=" "/>
-          <date variable="issued" prefix=" " suffix=",">
-            <date-part name="year"/>
-          </date>
-        </else-if>
-        <else-if type="speech">
-          <text variable="event" prefix=" " suffix="."/>
-          <text variable="publisher-place" prefix=" " suffix="."/>
-          <date variable="issued" prefix=" " suffix=".">
-            <date-part name="year"/>
-          </date>
-          <text variable="genre" prefix=" " suffix="."/>
-        </else-if>
-        <else-if type="webpage post-weblog" match="any">
-          <text variable="genre" prefix=" " suffix="."/>
-          <text variable="container-title" font-style="italic" prefix=" " suffix="."/>
-          <group delimiter=", " prefix=" ">
-            <text macro="publisher"/>
-            <text macro="issued-full-date" suffix="."/>
-          </group>
-        </else-if>
-        <else-if type="broadcast">
-          <text variable="container-title" font-style="italic" prefix=" " suffix="."/>
-          <text macro="publisher" prefix=" " suffix=","/>
-          <date variable="issued" prefix=" " suffix=".">
-            <date-part name="day" suffix=" "/>
-            <date-part name="month" form="short" suffix=" " strip-periods="false"/>
-            <date-part name="year"/>
-          </date>
-        </else-if>
-        <else>
-          <group prefix=" " suffix="." delimiter=": ">
-            <group delimiter=" ">
-              <text macro="editor-translator" suffix="."/>
-              <text variable="container-title" font-style="italic"/>
-              <choose>
-                <if type="article-journal">
-                  <group delimiter=" ">
-                    <group delimiter=".">
-                      <text variable="volume"/>
-                      <text variable="issue"/>
-                    </group>
-                    <date variable="issued" prefix="(" suffix="):">
-                      <date-part name="year"/>
-                    </date>
-                  </group>
-                  <text macro="pages" prefix=" "/>
-                </if>
-                <else>
-                  <group>
-                    <date variable="issued">
-                      <date-part name="day" suffix=" "/>
-                      <date-part name="month" form="short" suffix=" " strip-periods="false"/>
-                      <date-part name="year"/>
-                    </date>
-                    <choose>
-                      <if variable="URL DOI" match="any">
-                        <text variable="page" prefix=": "/>
-                      </if>
-                      <else>
-                        <text macro="pages" prefix=": "/>
-                      </else>
-                    </choose>
-                  </group>
-                </else>
-              </choose>
-            </group>
-          </group>
-        </else>
-      </choose>
-      <text macro="medium" suffix="."/>
-      <text macro="number-of-volumes-optional" suffix="." prefix=" "/>
-      <text macro="collection-title"/>
-      <text macro="collection-number"/>
-    </layout>
-  </bibliography>
-</style>