fixes out-dated URL for "Expressions allowed in guard clauses" (elixi…

…rschool#1371)

* fixes out-dated URL to documentation

* changes URL for documentation about guards.

- using https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions

bg/lessons/basics/control-structures.md

@@ -91,7 +91,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Проветеве официалната документация за [Допустими изрази в предпазващи клаузи](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Проветеве официалната документация за [Допустими изрази в предпазващи клаузи](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

bn/lessons/basics/control-structures.md

@@ -93,7 +93,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-আরও জানতে হলে অফিসিয়াল ডকুমেন্টেশানের [Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses) চ্যাপ্টারটি দেখুন। 
+আরও জানতে হলে অফিসিয়াল ডকুমেন্টেশানের [Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions) চ্যাপ্টারটি দেখুন।
 
 ## `cond`
 

cn/lessons/basics/control-structures.md

@@ -90,7 +90,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-参考官方的文档来看[卫兵支持的表达式](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses)
+参考官方的文档来看[卫兵支持的表达式](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions)
 
 ## `cond`
 当我们需要匹配条件而不是值的时候，可以使用 `cond`，这和其他语言的 `else if` 或者 `elsif` 相似：

de/lessons/basics/control-structures.md

@@ -92,7 +92,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Schau in die offizielle Dokumentation für [Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses), um mehr über guard clauses zu erfahren.
+Schau in die offizielle Dokumentation für [Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions), um mehr über guard clauses zu erfahren.
 
 ## `cond`
 

en/lessons/basics/control-structures.md

@@ -94,7 +94,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Check the official docs for [Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Check the official docs for [Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

es/lessons/basics/control-structures.md

@@ -92,7 +92,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Revisa la documentación oficial para [Expresiones permitidas en cláusulas de guardia](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Revisa la documentación oficial para [Expresiones permitidas en cláusulas de guardia](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 
 ## `cond`

fr/lessons/basics/control-structures.md

@@ -91,7 +91,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-La documentation pour [les expressions permises dans les guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+La documentation pour [les expressions permises dans les guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 
 ## `cond`

gr/lessons/basics/control-structures.md

@@ -92,7 +92,7 @@ iex> case {1, 2, 3} do
 "Θα ταιριάξει"
 ```
 
-Ελέγξτε τα επίσημα έγγραφα για τις [Εκφράσεις που επιτρέπονται στις ρήτρες προστασίας](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Ελέγξτε τα επίσημα έγγραφα για τις [Εκφράσεις που επιτρέπονται στις ρήτρες προστασίας](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

id/lessons/basics/control-structures.md

@@ -91,7 +91,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Ceklah dokumentasi resmi untuk [Expression yang diijinkan dalam klausa penjaga](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Ceklah dokumentasi resmi untuk [Expression yang diijinkan dalam klausa penjaga](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

it/lessons/basics/control-structures.md

@@ -91,7 +91,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Leggi la documentazione ufficiale per [Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Leggi la documentazione ufficiale per [Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 
 ## `cond`

ja/lessons/basics/control-structures.md

@@ -94,7 +94,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-公式ドキュメントから[Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses)を読んでみてください。
+公式ドキュメントから[Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions)を読んでみてください。
 
 ## `cond`
 

ko/lessons/basics/control-structures.md

@@ -91,7 +91,7 @@ iex> case {1, 2, 3} do
 ...> end
 "Will match"
 ```
-[Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses) 공식 문서를 참고하십시오.
+[Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions) 공식 문서를 참고하십시오.
 
 ## `cond`
 

ms/lessons/basics/control-structures.md

@@ -93,7 +93,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Lihat dokumen rasmi untuk [Kenyataan yang dibenarkan di dalam klausa 'guard'](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Lihat dokumen rasmi untuk [Kenyataan yang dibenarkan di dalam klausa 'guard'](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

no/lessons/basics/control-structures.md

@@ -93,7 +93,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Se den offisielle dokumentasjonen for [Tillatte uttrykk i beskyttelsesklausuler](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Se den offisielle dokumentasjonen for [Tillatte uttrykk i beskyttelsesklausuler](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 
 ## `cond`

pl/lessons/basics/control-structures.md

@@ -92,7 +92,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Więcej szczegółów znajdziesz w dokumentacji, w języku angielskim, [Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Więcej szczegółów znajdziesz w dokumentacji, w języku angielskim, [Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

pt/lessons/basics/control-structures.md

@@ -86,7 +86,7 @@ iex> case {1, 2, 3} do
 ...> end
 "Will match"
 ```
-Verifique a documentação oficial sobre [Expressões permitidas em clausulas guard](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Verifique a documentação oficial sobre [Expressões permitidas em clausulas guard](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 
 ## `cond`

ru/lessons/basics/control-structures.md

@@ -91,7 +91,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Также советуем почитать официальную документацию про [выражения, доступные в ограничивающих выражениях](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Также советуем почитать официальную документацию про [выражения, доступные в ограничивающих выражениях](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

sk/lessons/basics/control-structures.md

@@ -90,7 +90,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Pozrite si príslušnú kapitolu v oficiálnej dokumentácii [Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Pozrite si príslušnú kapitolu v oficiálnej dokumentácii [Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 
 ## `cond`

ta/lessons/basics/control-structures.md

@@ -92,7 +92,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-[காப்புகளில் பயன்படுத்தக்கூடிய கோவைகள்](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses) குறித்து மேலும் அறிந்துகொள்ள அதன் அதிகாரபூர்வ ஆவணங்களைப்பார்க்கவும்.
+[காப்புகளில் பயன்படுத்தக்கூடிய கோவைகள்](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions) குறித்து மேலும் அறிந்துகொள்ள அதன் அதிகாரபூர்வ ஆவணங்களைப்பார்க்கவும்.
 
 ## `cond`
 

th/lessons/basics/control-structures.md

@@ -92,7 +92,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-ดู official doc เพิ่มเติมเกี่ยวกับ [Expression ที่ใช้ได้กับ guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+ดู official doc เพิ่มเติมเกี่ยวกับ [Expression ที่ใช้ได้กับ guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

tr/lessons/basics/control-structures.md

@@ -94,7 +94,7 @@ iex> case {1, 2, 3} do
 "x sifirdan buyuk"
 ```
 
-Elixir resmi dokumanlarindan devamini inceleyebilirsiniz. [Kosullu karsilastimalar (guard clauses) hakkinda daha fazla](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Elixir resmi dokumanlarindan devamini inceleyebilirsiniz. [Kosullu karsilastimalar (guard clauses) hakkinda daha fazla](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

tw/lessons/basics/control-structures.md

@@ -93,7 +93,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-查看官方文件來獲得 [Expressions allowed in guard clauses](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses) 資訊。
+查看官方文件來獲得 [Expressions allowed in guard clauses](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions) 資訊。
 
 ## `cond`
 

uk/lessons/basics/control-structures.md

@@ -91,7 +91,7 @@ iex> case {1, 2, 3} do
 "Will match"
 ```
 
-Також рекомендуємо почитати офіційну документацію про [вирази, доступні в обмежувальних виразах](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Також рекомендуємо почитати офіційну документацію про [вирази, доступні в обмежувальних виразах](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 ## `cond`
 

vi/lessons/basics/control-structures.md

@@ -91,7 +91,7 @@ iex> case {1, 2, 3} do
 "Trùng"
 ```
 
-Xem tài liệu tại trang chủ về [Biểu thức hợp lệ trong mệnh đề guard](http:https://elixir-lang.org/getting-started/case-cond-and-if.html#expressions-in-guard-clauses).
+Xem tài liệu tại trang chủ về [Biểu thức hợp lệ trong mệnh đề guard](https:https://hexdocs.pm/elixir/guards.html#list-of-allowed-expressions).
 
 
 ## `cond`