Fixed empty link in extending (#1507)

RunDevelopment · mAAdhaTTah · commit 74916d48bde7 · 2018-08-19T10:54:25.000-04:00
diff --git a/extending.html b/extending.html
@@ -137,7 +137,7 @@ <h1>Writing plugins</h1>
 	}
 });</code></pre>
 	<p>Of course, to understand which hooks to use you would have to read Prism’s source. Imagine where you would add your code and then find the appropriate hook.
-	If there is no hook you can use, you may <a href="">request one to be added</a>, detailing why you need it there.
+	If there is no hook you can use, you may <a href="https://github.com/PrismJS/prism/issues">request one to be added</a>, detailing why you need it there.
 </section>
 
 <section id="api">

Original file line number	Diff line number	Diff line change
`@@ -137,7 +137,7 @@ <h1>Writing plugins</h1>`
`137`	`137`	`}`
`138`	`138`	`});</code></pre>`
`139`	`139`	`<p>Of course, to understand which hooks to use you would have to read Prism’s source. Imagine where you would add your code and then find the appropriate hook.`
`140`		`- If there is no hook you can use, you may <a href="">request one to be added</a>, detailing why you need it there.`
	`140`	`+ If there is no hook you can use, you may <a href="https://github.com/PrismJS/prism/issues">request one to be added</a>, detailing why you need it there.`
`141`	`141`	`</section>`
`142`	`142`
`143`	`143`	`<section id="api">`