Fix that is missing change to docs.

Author: ilonatommy

src/Components/Web/src/Routing/NavLink.cs

@@ -124,6 +124,33 @@ private bool ShouldMatch(string currentUriAbsolute)
             return true;
         }
 
+        if (Match == NavLinkMatch.All
+            && IsStrictlyPrefixIgnoringQueryAndFragment(currentUriAbsolute))
+        {
+            return true;
+        }
+
+        return false;
+    }
+
+    private bool IsStrictlyPrefixIgnoringQueryAndFragment(string currentUriAbsolute)
+    {
+        Debug.Assert(_hrefAbsolute != null);
+
+        return IsStrictlyPrefixedIgnoringSuffixAfterSymbol(currentUriAbsolute, '?')
+            || IsStrictlyPrefixedIgnoringSuffixAfterSymbol(currentUriAbsolute, '#');
+    }
+
+    private bool IsStrictlyPrefixedIgnoringSuffixAfterSymbol(string currentUriAbsolute, char symbol)
+    {
+        Debug.Assert(_hrefAbsolute != null);
+
+        var fragmentIndex = currentUriAbsolute.IndexOf(symbol);
+        if (fragmentIndex >= 0)
+        {
+            var prefix = currentUriAbsolute.Substring(0, fragmentIndex);
+            return IsStrictlyPrefixWithSeparator(currentUriAbsolute, prefix);
+        }
         return false;
     }
 
@@ -199,7 +226,7 @@ private static bool IsStrictlyPrefixWithSeparator(string value, string prefix)
 
     private static bool IsUnreservedCharacter(char c)
     {
-        // Checks whether it is an unreserved character according to 
+        // Checks whether it is an unreserved character according to
         // https://datatracker.ietf.org/doc/html/rfc3986#section-2.3
         // Those are characters that are allowed in a URI but do not have a reserved
         // purpose (e.g. they do not separate the components of the URI)

src/Components/test/E2ETest/Tests/StandaloneAppTest.cs

@@ -64,6 +64,30 @@ public void NavMenuHighlightsCurrentLocation()
             item => Assert.Equal("Home", item.Text.Trim()));
     }
 
+    [Fact]
+    public void NavMenuWithMatchLinkAllHighlightsCurrentLocationIgnoringQueryAndFragment()
+    {
+        var activeNavLinksSelector = By.CssSelector(".sidebar a.active");
+        var mainHeaderSelector = By.TagName("h1");
+
+        // Verify we start at home, with the home link highlighted
+        Assert.Equal("Hello, world!", Browser.Exists(mainHeaderSelector).Text);
+        Assert.Collection(Browser.FindElements(activeNavLinksSelector),
+            item => Assert.Equal("Home", item.Text.Trim()));
+
+        // Navigate to Home page with an ignorable query
+        Navigate("/?CourseId=123456");
+        var collection1 = Browser.FindElements(activeNavLinksSelector);
+        Assert.Collection(collection1,
+            item => Assert.Equal("Home", item.Text.Trim()));
+
+        // Navigate to Home page with an ignorable fragment
+        Navigate("/#section-123456");
+        var collection2 = Browser.FindElements(activeNavLinksSelector);
+        Assert.Collection(collection2,
+            item => Assert.Equal("Home", item.Text.Trim()));
+    }
+
     [Fact]
     public void HasCounterPage()
     {