style: disable two-valued text-overflow

Signed-off-by: Richard Tjokroutomo <richard.tjokro2@gmail.com>

Author: RichardTjokroutomo

style/values/specified/text.rs

@@ -228,9 +228,10 @@ impl Parse for TextOverflow {
         context: &ParserContext,
         input: &mut Parser<'i, 't>,
     ) -> Result<TextOverflow, ParseError<'i>> {
-        let first = TextOverflowSide::parse(context, input)?;
+        let first = <TextOverflowSide as Parse>::parse(context, input)?;
         Ok(
-            if let Ok(second) = input.try_parse(|input| TextOverflowSide::parse(context, input)) {
+            #[cfg(feature = "gecko")]
+            if let Ok(second) = input.try_parse(|input| <TextOverflowSide as Parse>::parse(context, input)) {
                 Self {
                     first,
                     second,
@@ -243,6 +244,12 @@ impl Parse for TextOverflow {
                     sides_are_logical: true,
                 }
             },
+             #[cfg(feature = "servo")]
+            Self {
+                first: TextOverflowSide::Clip,
+                second: first,
+                sides_are_logical: true,
+            }
         )
     }
 }