improve bibliography a bit

template/classic/bp.typ

@@ -1,5 +1,14 @@
 #import "../lang.typ": get_lang_item
-#import "common.typ": mainpage, default_styling, assignment, disclaimer, abstract, toc, abbrlist
+#import "common.typ": (
+  mainpage,
+  default_styling,
+  assignment,
+  disclaimer,
+  abstract,
+  toc,
+  abbrlist,
+  bibliogr
+)
 #import "../utils.typ": is_none, assert_dict_has, assert_not_none
 
 #let bp(
@@ -31,6 +40,6 @@
     toc(language);
     abbrlist(language);
     content
-    bibliography(citation_file, style: "../tul_citace.csl");
+    bibliogr(citation_file);
   });
 }

template/classic/common.typ

@@ -249,3 +249,15 @@
   };
   outline(title: get_lang_item(language, "toc"));
 }
+
+// BIBLIOGRAPHY
+
+#let bibliogr(language, citations_file) = {
+  if language == "cs" {
+    bibliography(citations_file, style: "../tul_citace.csl");
+  } else if language == "en" {
+    bibliography(citations_file, style: "iso-690-numeric");
+  } else {
+    panic("unknown language for bibliography '" + language + "'");
+  }
+}

template/tul_citace.csl

@@ -1,7 +1,7 @@
 <?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" default-locale="en-US">
   <info>
-    <title>ISO-690 (numeric, Czech)</title>
+    <title>TUL ISO-690</title>
     <id>-----</id>
     <link href="" rel="self"/>
     <link href="" rel="documentation"/>
@@ -264,7 +264,7 @@
             <group>
               <text term="retrieved" suffix=" " text-case="capitalize-first"/>
               <text term="from" suffix=": "/>
-              <text variable="URL"/>
+              <text variable="URL" suffix=" "/>
             </group>
           </if>
         </choose>