[css-conditional-5] Correct extra spaces in font-tech and font-format productions, fix #7369

Author: svgeesus

css-conditional-5/Overview.bs

@@ -73,11 +73,11 @@ Extensions to the ''@supports'' rule</h2>
 	<pre class="prod def" nohighlight>
 		<dfn>&lt;supports-feature></dfn> = <<supports-selector-fn>> | <<supports-font-tech-fn>>
 		                    | <<supports-font-format-fn>> | <<supports-decl>>
-		<dfn>&lt;supports-font-tech-fn></dfn> = font-tech ( <<font-tech>> )
+		<dfn>&lt;supports-font-tech-fn></dfn> = font-tech( <<font-tech>> )
 		<dfn>&lt;font-tech></dfn> = [ features-opentype | features-aat | features-graphite
 		                    | color-colrv0 | color-colrv1 | color-svg | color-sbix | color-cbdt
 		                    | variations | palettes | incremental ]
-		<dfn>&lt;supports-font-format-fn></dfn> = font-format ( <<font-format>> )
+		<dfn>&lt;supports-font-format-fn></dfn> = font-format( <<font-format>> )
 		<dfn>&lt;font-format</dfn> = [ collection | embedded-opentype | opentype
 		                    | svg | truetype | woff | woff2 ]
 	</pre>