Added Arabic translations (#688)

library/src/layout/table.rs

@@ -286,6 +286,7 @@ impl<T: Into<Value>> From<Celled<T>> for Value {
 impl LocalName for TableElem {
     fn local_name(&self, lang: Lang) -> &'static str {
         match lang {
+            Lang::ARABIC => "جدول",
             Lang::BOKMÅL => "Tabell",
             Lang::CHINESE => "表",
             Lang::FRENCH => "Tableau",

library/src/math/mod.rs

@@ -274,6 +274,7 @@ impl Count for EquationElem {
 impl LocalName for EquationElem {
     fn local_name(&self, lang: Lang) -> &'static str {
         match lang {
+            Lang::ARABIC => "معادلة",
             Lang::BOKMÅL => "Ligning",
             Lang::CHINESE => "等式",
             Lang::FRENCH => "Équation",

library/src/meta/bibliography.rs

@@ -201,6 +201,7 @@ impl Show for BibliographyElem {
 impl LocalName for BibliographyElem {
     fn local_name(&self, lang: Lang) -> &'static str {
         match lang {
+            Lang::ARABIC => "المراجع",
             Lang::BOKMÅL => "Bibliografi",
             Lang::CHINESE => "参考文献",
             Lang::FRENCH => "Bibliographie",

library/src/meta/heading.rs

@@ -229,6 +229,7 @@ impl Refable for HeadingElem {
 impl LocalName for HeadingElem {
     fn local_name(&self, lang: Lang) -> &'static str {
         match lang {
+            Lang::ARABIC => "الفصل",
             Lang::BOKMÅL => "Kapittel",
             Lang::CHINESE => "小节",
             Lang::FRENCH => "Chapitre",

library/src/meta/outline.rs

@@ -252,6 +252,7 @@ impl Show for OutlineElem {
 impl LocalName for OutlineElem {
     fn local_name(&self, lang: Lang) -> &'static str {
         match lang {
+            Lang::ARABIC => "المحتويات",
             Lang::BOKMÅL => "Innhold",
             Lang::CHINESE => "目录",
             Lang::FRENCH => "Table des matières",

library/src/text/raw.rs

@@ -202,6 +202,7 @@ impl Finalize for RawElem {
 impl LocalName for RawElem {
     fn local_name(&self, lang: Lang) -> &'static str {
         match lang {
+            Lang::ARABIC => "قائمة",
             Lang::BOKMÅL => "Utskrift",
             Lang::CHINESE => "代码",
             Lang::FRENCH => "Liste",

library/src/visualize/image.rs

@@ -118,6 +118,7 @@ impl Layout for ImageElem {
 impl LocalName for ImageElem {
     fn local_name(&self, lang: Lang) -> &'static str {
         match lang {
+            Lang::ARABIC => "شكل",
             Lang::BOKMÅL => "Figur",
             Lang::CHINESE => "图",
             Lang::FRENCH => "Figure",

src/doc.rs

@@ -515,6 +515,7 @@ pub struct Glyph {
 pub struct Lang([u8; 3], u8);
 
 impl Lang {
+    pub const ARABIC: Self = Self(*b"ar ", 2);
     pub const BOKMÅL: Self = Self(*b"nb ", 2);
     pub const CHINESE: Self = Self(*b"zh ", 2);
     pub const ENGLISH: Self = Self(*b"en ", 2);