<scope-start> and <scope-end> produce <complex-real-selector-list>

They do not accept pseudo-elements (oversight) and their parsing is unforgiving
(since 9a7b555).

w3c/csswg-drafts#12747

Author: cdoublev

lib/values/definitions.js

@@ -418,8 +418,8 @@ export default {
     '<scaleX()>': 'scaleX(<number> | <percentage>)',
     '<scaleY()>': 'scaleY(<number> | <percentage>)',
     '<scaleZ()>': 'scaleZ(<number> | <percentage>)',
-    '<scope-end>': '<forgiving-selector-list>',
-    '<scope-start>': '<forgiving-selector-list>',
+    '<scope-end>': '<complex-real-selector>#',
+    '<scope-start>': '<complex-real-selector>#',
     '<scroll()>': 'scroll([<scroller> || <axis>]?)',
     '<scroll-button-direction>': 'up | down | left | right | block-start | block-end | inline-start | inline-end | prev | next',
     '<scroll-state-feature>': '<media-feature>',

scripts/extract.js

@@ -149,8 +149,8 @@ const replaced = {
         '<quirky-length>': '<number-token>',
         '<relative-size>': 'larger | smaller',
         '<resolution>': '<dimension>',
-        '<scope-end>': '<forgiving-selector-list>',
-        '<scope-start>': '<forgiving-selector-list>',
+        '<scope-end>': '<complex-real-selector>#',
+        '<scope-start>': '<complex-real-selector>#',
         '<scroll-button-direction>': 'up | down | left | right | block-start | block-end | inline-start | inline-end | prev | next',
         '<scroll-state-feature>': '<media-feature>',
         '<semitones>': '<dimension>',