if (c <= '\u001f' || c >= '\u007f') {
      return true
    }
    // Check for the characters mentioned in the WHATWG Host parsing spec:
    // U+0000, U+0009, U+000A, U+000D, U+0020, "#", "%", "/", ":", "?", "@", "[", "\", and "]"
    // (excluding the characters covered above).
    if (" #%/:?@[\\]".indexOf(c) != -1) {
      return true
    }
  }
  return false
}

or customize the ports to match the old defaults.
See the [security advisory](https://istio.io/latest/news/security/istio-security-2021-002/) for more information.

#### Other migrations

If you see errors like `rendered manifests contain a resource that already exists` during installation, you may need to forcibly take ownership.

-ms-flex: 0 0 50%;\n  flex: 0 0 50%;\n  max-width: 50%;\n}\n\n.row-cols-3 > * {\n  -ms-flex: 0 0 33.333333%;\n  flex: 0 0 33.333333%;\n  max-width: 33.333333%;\n}\n\n.row-cols-4 > * {\n  -ms-flex: 0 0 25%;\n  flex: 0 0 25%;\n  max-width: 25%;\n}\n\n.row-cols-5 > * {\n  -ms-flex: 0 0 20%;\n  flex: 0 0 20%;\n  max-width: 20%;\n}\n\n.row-cols-6 > * {\n  -ms-flex: 0 0 16.666667%;\n  flex: 0 0 16.666667%;\n  max-width: 16.666667%;\n}\n\n.col-auto {\n  -ms-flex: 0 0 auto;\n  flex: 0 0 auto;\n  width: auto;\n...

	// moo moo moo
}

func ExampleRunes() {
	rs := bytes.Runes([]byte("go gopher"))
	for _, r := range rs {
		fmt.Printf("%#U\n", r)
	}
	// Output:
	// U+0067 'g'
	// U+006F 'o'
	// U+0020 ' '
	// U+0067 'g'
	// U+006F 'o'
	// U+0070 'p'
	// U+0068 'h'
	// U+0065 'e'
	// U+0072 'r'
}

func ExampleSplit() {
	fmt.Printf("%q\n", bytes.Split([]byte("a,b,c"), []byte(",")))

-ms-flex: 0 0 50%;\n  flex: 0 0 50%;\n  max-width: 50%;\n}\n\n.row-cols-3 > * {\n  -ms-flex: 0 0 33.333333%;\n  flex: 0 0 33.333333%;\n  max-width: 33.333333%;\n}\n\n.row-cols-4 > * {\n  -ms-flex: 0 0 25%;\n  flex: 0 0 25%;\n  max-width: 25%;\n}\n\n.row-cols-5 > * {\n  -ms-flex: 0 0 20%;\n  flex: 0 0 20%;\n  max-width: 20%;\n}\n\n.row-cols-6 > * {\n  -ms-flex: 0 0 16.666667%;\n  flex: 0 0 16.666667%;\n  max-width: 16.666667%;\n}\n\n.col-auto {\n  -ms-flex: 0 0 auto;\n  flex: 0 0 auto;\n  width: auto;\n...

max-width:100%}.col-auto{-ms-flex:0 0 auto;flex:0 0 auto;width:auto;max-width:100%}.col-1{-ms-flex:0 0 8.333333%;flex:0 0 8.333333%;max-width:8.333333%}.col-2{-ms-flex:0 0 16.666667%;flex:0 0 16.666667%;max-width:16.666667%}.col-3{-ms-flex:0 0 25%;flex:0 0 25%;max-width:25%}.col-4{-ms-flex:0 0 33.333333%;flex:0 0 33.333333%;max-width:33.333333%}.col-5{-ms-flex:0 0 41.666667%;flex:0 0 41.666667%;max-width:41.666667%}.col-6{-ms-flex:0 0 50%;flex:0 0 50%;max-width:50%}.col-7{-ms-flex:0 0 58.333333%;flex:0...

        assertEquals("b", pom.getValue("dependencies[3]/artifactId"));
        assertEquals("d", pom.getValue("dependencies[4]/artifactId"));
    }

    /** IT-0021*/
    @Test
    void testProfileDependenciesMultipleProfiles() throws Exception {
        PomTestWrapper pom = buildPom("profile-dependencies-multiple-profiles", "profile-1", "profile-2");

\f   U+000C form feed
\n   U+000A line feed or newline
\r   U+000D carriage return
\t   U+0009 horizontal tab
\v   U+000B vertical tab
\\   U+005C backslash
\'   U+0027 single quote  (valid escape only within rune literals)
\"   U+0022 double quote  (valid escape only within string literals)
</pre>

<p>
All other sequences starting with a backslash are illegal inside rune literals.
</p>
<pre class="ebnf">

\f   U+000C form feed
\n   U+000A line feed or newline
\r   U+000D carriage return
\t   U+0009 horizontal tab
\v   U+000B vertical tab
\\   U+005C backslash
\'   U+0027 single quote  (valid escape only within rune literals)
\"   U+0022 double quote  (valid escape only within string literals)
</pre>

<p>
An unrecognized character following a backslash in a rune literal is illegal.
</p>

<pre class="ebnf">

auto;\n  max-width: 100%;\n}\n\n.col-1 {\n  -ms-flex: 0 0 8.333333%;\n  flex: 0 0 8.333333%;\n  max-width: 8.333333%;\n}\n\n.col-2 {\n  -ms-flex: 0 0 16.666667%;\n  flex: 0 0 16.666667%;\n  max-width: 16.666667%;\n}\n\n.col-3 {\n  -ms-flex: 0 0 25%;\n  flex: 0 0 25%;\n  max-width: 25%;\n}\n\n.col-4 {\n  -ms-flex: 0 0 33.333333%;\n  flex: 0 0 33.333333%;\n  max-width: 33.333333%;\n}\n\n.col-5 {\n  -ms-flex: 0 0 41.666667%;\n  flex: 0 0 41.666667%;\n  max-width: 41.666667%;\n}\n\n.col-6 {\n  -ms-flex:...