break a long line

Author: svgeesus

css-fonts-4/Overview.bs

@@ -2043,7 +2043,8 @@ Then each component value is parsed according to this grammar:
 <pre><<url>> [ format(<<font-format>>)]? [ technology( <<font-technology>>#)]? | local(<<font-face-name>>)</pre>
 
 <pre class="prod"><dfn id="font-format-values">&lt;font-format&gt;</dfn>
-	 = [<<string>> | collection | embedded-opentype | opentype | svg | truetype | woff | woff2 ]</pre>
+	 = [<<string>> | collection | embedded-opentype | opentype
+		| svg | truetype | woff | woff2 ]</pre>
 
 <pre class="prod"><dfn id="font-technology-values">&lt;font-technology&gt;</dfn>
 	 = <<font-feature-technology>> | <<color-font-technology>>