add support for slovenian language (#621)

library/src/layout/table.rs

@@ -293,6 +293,7 @@ impl LocalName for TableElem {
             Lang::PORTUGUESE => "Tabela",
             Lang::RUSSIAN => "Таблица",
             Lang::SPANISH => "Tabla",
+            Lang::SLOVENIAN => "Tabela",
             Lang::UKRAINIAN => "Таблиця",
             Lang::ENGLISH | _ => "Table",
         }

library/src/math/mod.rs

@@ -281,6 +281,7 @@ impl LocalName for EquationElem {
             Lang::PORTUGUESE => "Equação",
             Lang::RUSSIAN => "Уравнение",
             Lang::SPANISH => "Ecuación",
+            Lang::SLOVENIAN => "Enačba",
             Lang::UKRAINIAN => "Рівняння",
             Lang::ENGLISH | _ => "Equation",
         }

library/src/meta/bibliography.rs

@@ -207,6 +207,7 @@ impl LocalName for BibliographyElem {
             Lang::PORTUGUESE => "Bibliografia",
             Lang::RUSSIAN => "Библиография",
             Lang::SPANISH => "Bibliografía",
+            Lang::SLOVENIAN => "Literatura",
             Lang::UKRAINIAN => "Бібліографія",
             Lang::ENGLISH | _ => "Bibliography",
         }

library/src/meta/heading.rs

@@ -236,6 +236,7 @@ impl LocalName for HeadingElem {
             Lang::PORTUGUESE => "Seção",
             Lang::RUSSIAN => "Раздел",
             Lang::SPANISH => "Sección",
+            Lang::SLOVENIAN => "Poglavje",
             Lang::UKRAINIAN => "Розділ",
             Lang::ENGLISH | _ => "Section",
         }

library/src/meta/outline.rs

@@ -259,6 +259,7 @@ impl LocalName for OutlineElem {
             Lang::PORTUGUESE => "Sumário",
             Lang::RUSSIAN => "Содержание",
             Lang::SPANISH => "Índice",
+            Lang::SLOVENIAN => "Kazalo",
             Lang::UKRAINIAN => "Зміст",
             Lang::ENGLISH | _ => "Contents",
         }

library/src/text/raw.rs

@@ -206,6 +206,7 @@ impl LocalName for RawElem {
             Lang::ITALIAN => "Codice",
             Lang::RUSSIAN => "Листинг",
             Lang::FRENCH => "Liste",
+            Lang::SLOVENIAN => "Program",
             Lang::UKRAINIAN => "Лістинг",
             Lang::ENGLISH | Lang::GERMAN | _ => "Listing",
         }

library/src/visualize/image.rs

@@ -120,9 +120,9 @@ impl LocalName for ImageElem {
         match lang {
             Lang::CHINESE => "图",
             Lang::GERMAN => "Abbildung",
-            Lang::ITALIAN | Lang::PORTUGUESE => "Figura",
+            Lang::ITALIAN | Lang::PORTUGUESE | Lang::SPANISH => "Figura",
             Lang::RUSSIAN | Lang::UKRAINIAN => "Рисунок",
-            Lang::SPANISH => "Figura",
+            Lang::SLOVENIAN => "Slika",
             Lang::ENGLISH | Lang::FRENCH | _ => "Figure",
         }
     }

src/doc.rs

@@ -522,6 +522,7 @@ impl Lang {
     pub const ITALIAN: Self = Self(*b"it ", 2);
     pub const PORTUGUESE: Self = Self(*b"pt ", 2);
     pub const RUSSIAN: Self = Self(*b"ru ", 2);
+    pub const SLOVENIAN: Self = Self(*b"sl ", 2);
     pub const SPANISH: Self = Self(*b"es ", 2);
     pub const UKRAINIAN: Self = Self(*b"ua ", 2);