[Webkit-unassigned] [Bug 115159] New: Fixing invalid block recovery in some delcaration list.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=115159

           Summary: Fixing invalid block recovery in some delcaration
                    list.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: CSS
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: koivisto at iki.fi, akling at apple.com


We should consider merging

https://chromium.googlesource.com/chromium/blink/+/e1034d760dc998bea13fc2691eaf1e04f78950e0
Fixing invalid block recovery in some delcaration list.

Current grammar fails on tests 8, 12, 13, 15, 16, 17. This patch fixes it.
It leds to further refactoring: introducing the rule 'decl_error: error | errors invalid_block_list error;' allows
to lets to remove 3 rules reducing code duplication.

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