Fix authors delimiter (#5483)

presses-universitaires-de-strasbourg-note.csl

@@ -17,7 +17,7 @@
     <category field="generic-base"/>
     <summary>Style for the Presses Universitaires de Strasbourg, 
       according to 2019 guidelines for authors.</summary>
-    <updated>2019-11-19T00:00:00+00:00</updated>
+    <updated>2021-06-02T00:00:00+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>
   <!-- ===================================================================== -->
@@ -134,7 +134,6 @@
             <text term="close-quote" suffix=", "/>
             <choose>
               <if type="article-journal article-magazine article-newspaper" match="none">
-                <!-- <text term="in" text-case="capitalize-first" suffix="&#8239;: "/> -->
                 <text term="in" suffix=" "/>
               </if>
             </choose>
@@ -500,7 +499,7 @@
   <!-- === Citation reference layout macros ================================ -->
   <!-- Standard citation reference layout -->
   <macro name="citation-reference-normal">
-    <group delimiter=". ">
+    <group delimiter=", " suffix=".">
       <text macro="responsability" suffix=","/>
       <group delimiter=" ">
         <group delimiter=". ">