diff --git a/spec.html b/spec.html
index c1670d7f31c..00de982ec17 100644
--- a/spec.html
+++ b/spec.html
@@ -10076,6 +10076,7 @@ <h2>Syntax</h2>
           BinaryIntegerLiteral
           OctalIntegerLiteral
           HexIntegerLiteral
+          LegacyOctalIntegerLiteral
 
         DecimalLiteral ::
           DecimalIntegerLiteral `.` DecimalDigits? ExponentPart?
@@ -10085,6 +10086,7 @@ <h2>Syntax</h2>
         DecimalIntegerLiteral ::
           `0`
           NonZeroDigit DecimalDigits?
+          NonOctalDecimalIntegerLiteral
 
         DecimalDigits ::
           DecimalDigit
@@ -10118,6 +10120,19 @@ <h2>Syntax</h2>
         BinaryDigit :: one of
           `0` `1`
 
+        NonOctalDecimalIntegerLiteral ::
+          `0` NonOctalDigit
+          LegacyOctalLikeDecimalIntegerLiteral NonOctalDigit
+          NonOctalDecimalIntegerLiteral DecimalDigit
+
+        LegacyOctalLikeDecimalIntegerLiteral ::
+          `0` OctalDigit
+          LegacyOctalLikeDecimalIntegerLiteral OctalDigit
+
+        LegacyOctalIntegerLiteral ::
+          `0` OctalDigit
+          LegacyOctalIntegerLiteral OctalDigit
+
         OctalIntegerLiteral ::
           `0o` OctalDigits
           `0O` OctalDigits
@@ -10129,6 +10144,9 @@ <h2>Syntax</h2>
         OctalDigit :: one of
           `0` `1` `2` `3` `4` `5` `6` `7`
 
+        NonOctalDigit :: one of
+          `8` `9`
+
         HexIntegerLiteral ::
           `0x` HexDigits
           `0X` HexDigits
@@ -10144,9 +10162,20 @@ <h2>Syntax</h2>
       <emu-note>
         <p>For example: `3in` is an error and not the two input elements `3` and `in`.</p>
       </emu-note>
-      <p>A conforming implementation, when processing strict mode code, must not extend, as described in <emu-xref href="#sec-additional-syntax-numeric-literals"></emu-xref>, the syntax of |NumericLiteral| to include <emu-xref href="#prod-annexB-LegacyOctalIntegerLiteral"></emu-xref>, nor extend the syntax of |DecimalIntegerLiteral| to include <emu-xref href="#prod-annexB-NonOctalDecimalIntegerLiteral"></emu-xref>.</p>
 
-      <emu-clause id="sec-static-semantics-mv">
+      <emu-clause id="sec-numeric-literals-early-errors">
+        <h1>Static Semantics: Early Errors</h1>
+        <emu-grammar>
+          NumericLiteral :: LegacyOctalIntegerLiteral
+
+          DecimalIntegerLiteral :: NonOctalDecimalIntegerLiteral
+        </emu-grammar>
+        <ul>
+          <li>It is a Syntax Error if the source code matching this production is strict mode code.</li>
+        </ul>
+      </emu-clause>
+
+      <emu-clause id="sec-static-semantics-mv" oldids="sec-additional-syntax-numeric-literals-status-semantics">
         <h1>Static Semantics: MV</h1>
         <p>A numeric literal stands for a value of the Number type. This value is determined in two steps: first, a mathematical value (MV) is derived from the literal; second, this mathematical value is rounded as described below.</p>
         <ul>
@@ -10162,6 +10191,9 @@ <h1>Static Semantics: MV</h1>
           <li>
             The MV of <emu-grammar>NumericLiteral :: HexIntegerLiteral</emu-grammar> is the MV of |HexIntegerLiteral|.
           </li>
+          <li>
+            The MV of <emu-grammar>NumericLiteral :: LegacyOctalIntegerLiteral</emu-grammar> is the MV of |LegacyOctalIntegerLiteral|.
+          </li>
           <li>
             The MV of <emu-grammar>DecimalLiteral :: DecimalIntegerLiteral `.`</emu-grammar> is the MV of |DecimalIntegerLiteral|.
           </li>
@@ -10195,6 +10227,9 @@ <h1>Static Semantics: MV</h1>
           <li>
             The MV of <emu-grammar>DecimalIntegerLiteral :: NonZeroDigit DecimalDigits</emu-grammar> is (the MV of |NonZeroDigit| &times; 10<sub>ℝ</sub><sup>_n_</sup>) plus the MV of |DecimalDigits|, where _n_ is the mathematical integer number of code points in |DecimalDigits|.
           </li>
+          <li>
+            The MV of <emu-grammar>DecimalIntegerLiteral :: NonOctalDecimalIntegerLiteral</emu-grammar> is the MV of |NonOctalDecimalIntegerLiteral|.
+          </li>
           <li>
             The MV of <emu-grammar>DecimalDigits :: DecimalDigit</emu-grammar> is the MV of |DecimalDigit|.
           </li>
@@ -10238,10 +10273,10 @@ <h1>Static Semantics: MV</h1>
             The MV of <emu-grammar>DecimalDigit :: `7`</emu-grammar> or of <emu-grammar>NonZeroDigit :: `7`</emu-grammar> or of <emu-grammar>HexDigit :: `7`</emu-grammar> or of <emu-grammar>OctalDigit :: `7`</emu-grammar> is 7<sub>ℝ</sub>.
           </li>
           <li>
-            The MV of <emu-grammar>DecimalDigit :: `8`</emu-grammar> or of <emu-grammar>NonZeroDigit :: `8`</emu-grammar> or of <emu-grammar>HexDigit :: `8`</emu-grammar> is 8<sub>ℝ</sub>.
+            The MV of <emu-grammar>DecimalDigit :: `8`</emu-grammar> or of <emu-grammar>NonZeroDigit :: `8`</emu-grammar> or of <emu-grammar>NonOctalDigit :: `8`</emu-grammar> or of <emu-grammar>HexDigit :: `8`</emu-grammar> is 8<sub>ℝ</sub>.
           </li>
           <li>
-            The MV of <emu-grammar>DecimalDigit :: `9`</emu-grammar> or of <emu-grammar>NonZeroDigit :: `9`</emu-grammar> or of <emu-grammar>HexDigit :: `9`</emu-grammar> is 9<sub>ℝ</sub>.
+            The MV of <emu-grammar>DecimalDigit :: `9`</emu-grammar> or of <emu-grammar>NonZeroDigit :: `9`</emu-grammar> or of <emu-grammar>NonOctalDigit :: `9`</emu-grammar> or of <emu-grammar>HexDigit :: `9`</emu-grammar> is 9<sub>ℝ</sub>.
           </li>
           <li>
             The MV of <emu-grammar>HexDigit :: `a`</emu-grammar> or of <emu-grammar>HexDigit :: `A`</emu-grammar> is 10<sub>ℝ</sub>.
@@ -10273,6 +10308,27 @@ <h1>Static Semantics: MV</h1>
           <li>
             The MV of <emu-grammar>BinaryDigits :: BinaryDigits BinaryDigit</emu-grammar> is (the MV of |BinaryDigits| &times; 2<sub>ℝ</sub>) plus the MV of |BinaryDigit|.
           </li>
+          <li>
+            The MV of <emu-grammar>NonOctalDecimalIntegerLiteral :: `0` NonOctalDigit</emu-grammar> is the MV of |NonOctalDigit|.
+          </li>
+          <li>
+            The MV of <emu-grammar>NonOctalDecimalIntegerLiteral :: LegacyOctalLikeDecimalIntegerLiteral NonOctalDigit</emu-grammar> is (the MV of |LegacyOctalLikeDecimalIntegerLiteral| times 10<sub>ℝ</sub>) plus the MV of |NonOctalDigit|.
+          </li>
+          <li>
+            The MV of <emu-grammar>NonOctalDecimalIntegerLiteral :: NonOctalDecimalIntegerLiteral DecimalDigit</emu-grammar> is (the MV of |NonOctalDecimalIntegerLiteral| times 10<sub>ℝ</sub>) plus the MV of |DecimalDigit|.
+          </li>
+          <li>
+            The MV of <emu-grammar>LegacyOctalLikeDecimalIntegerLiteral :: `0` OctalDigit</emu-grammar> is the MV of |OctalDigit|.
+          </li>
+          <li>
+            The MV of <emu-grammar>LegacyOctalLikeDecimalIntegerLiteral :: LegacyOctalLikeDecimalIntegerLiteral OctalDigit</emu-grammar> is (the MV of |LegacyOctalLikeDecimalIntegerLiteral| times 10<sub>ℝ</sub>) plus the MV of |OctalDigit|.
+          </li>
+          <li>
+            The MV of <emu-grammar>LegacyOctalIntegerLiteral :: `0` OctalDigit</emu-grammar> is the MV of |OctalDigit|.
+          </li>
+          <li>
+            The MV of <emu-grammar>LegacyOctalIntegerLiteral :: LegacyOctalIntegerLiteral OctalDigit</emu-grammar> is (the MV of |LegacyOctalIntegerLiteral| times 8<sub>ℝ</sub>) plus the MV of |OctalDigit|.
+          </li>
           <li>
             The MV of <emu-grammar>OctalIntegerLiteral :: `0o` OctalDigits</emu-grammar> is the MV of |OctalDigits|.
           </li>
@@ -23432,9 +23488,6 @@ <h1>Forbidden Extensions</h1>
       <li>
         The Syntactic Grammar must not be extended in any manner that allows the token `:` to immediately follow source text that matches the |BindingIdentifier| nonterminal symbol.
       </li>
-      <li>
-        When processing strict mode code, the syntax of |NumericLiteral| must not be extended to include <emu-xref href="#prod-annexB-LegacyOctalIntegerLiteral"></emu-xref> and the syntax of |DecimalIntegerLiteral| must not be extended to include <emu-xref href="#prod-annexB-NonOctalDecimalIntegerLiteral"></emu-xref> as described in <emu-xref href="#sec-additional-syntax-numeric-literals"></emu-xref>.
-      </li>
       <li>
         |TemplateCharacter| must not be extended to include <emu-xref href="#prod-annexB-LegacyOctalEscapeSequence"></emu-xref> as defined in <emu-xref href="#sec-additional-syntax-string-literals"></emu-xref>.
       </li>
@@ -39782,9 +39835,13 @@ <h1>Lexical Grammar</h1>
     <emu-prodref name=BinaryIntegerLiteral></emu-prodref>
     <emu-prodref name=BinaryDigits></emu-prodref>
     <emu-prodref name=BinaryDigit></emu-prodref>
+    <emu-prodref name=NonOctalDecimalIntegerLiteral></emu-prodref>
+    <emu-prodref name=LegacyOctalLikeDecimalIntegerLiteral></emu-prodref>
+    <emu-prodref name=LegacyOctalIntegerLiteral></emu-prodref>
     <emu-prodref name=OctalIntegerLiteral></emu-prodref>
     <emu-prodref name=OctalDigits></emu-prodref>
     <emu-prodref name=OctalDigit></emu-prodref>
+    <emu-prodref name=NonOctalDigit></emu-prodref>
     <emu-prodref name=HexIntegerLiteral></emu-prodref>
     <emu-prodref name=HexDigits></emu-prodref>
     <emu-prodref name=HexDigit></emu-prodref>
@@ -40119,73 +40176,13 @@ <h1>Additional Syntax</h1>
 
     <emu-annex id="sec-additional-syntax-numeric-literals">
       <h1>Numeric Literals</h1>
-      <p>The syntax and semantics of <emu-xref href="#sec-literals-numeric-literals"></emu-xref> is extended as follows except that this extension is not allowed for strict mode code:</p>
-      <h2>Syntax</h2>
-      <emu-grammar type="definition">
-        NumericLiteral ::
-          DecimalLiteral
-          BinaryIntegerLiteral
-          OctalIntegerLiteral
-          HexIntegerLiteral
-          LegacyOctalIntegerLiteral
-
-        LegacyOctalIntegerLiteral ::
-          `0` OctalDigit
-          LegacyOctalIntegerLiteral OctalDigit
-
-        DecimalIntegerLiteral ::
-          `0`
-          NonZeroDigit DecimalDigits?
-          NonOctalDecimalIntegerLiteral
-
-        NonOctalDecimalIntegerLiteral ::
-          `0` NonOctalDigit
-          LegacyOctalLikeDecimalIntegerLiteral NonOctalDigit
-          NonOctalDecimalIntegerLiteral DecimalDigit
-
-        LegacyOctalLikeDecimalIntegerLiteral ::
-          `0` OctalDigit
-          LegacyOctalLikeDecimalIntegerLiteral OctalDigit
+      <p>The following syntax from <emu-xref href="#sec-literals-numeric-literals"></emu-xref>, and its associated semantics, used to be normative optional:</p>
+      <emu-grammar>
+        NumericLiteral :: LegacyOctalIntegerLiteral
 
-        NonOctalDigit :: one of
-          `8` `9`
+        DecimalIntegerLiteral :: NonOctalDecimalIntegerLiteral
       </emu-grammar>
-
-      <emu-annex id="sec-additional-syntax-numeric-literals-status-semantics">
-      <h1>Static Semantics</h1>
-      <ul>
-        <li>
-          The MV of <emu-grammar>LegacyOctalIntegerLiteral :: `0` OctalDigit</emu-grammar> is the MV of |OctalDigit|.
-        </li>
-        <li>
-          The MV of <emu-grammar>LegacyOctalIntegerLiteral :: LegacyOctalIntegerLiteral OctalDigit</emu-grammar> is (the MV of |LegacyOctalIntegerLiteral| times 8) plus the MV of |OctalDigit|.
-        </li>
-        <li>
-          The MV of <emu-grammar>DecimalIntegerLiteral :: NonOctalDecimalIntegerLiteral</emu-grammar> is the MV of |NonOctalDecimalIntegerLiteral|.
-        </li>
-        <li>
-          The MV of <emu-grammar>NonOctalDecimalIntegerLiteral :: `0` NonOctalDigit</emu-grammar> is the MV of |NonOctalDigit|.
-        </li>
-        <li>
-          The MV of <emu-grammar>NonOctalDecimalIntegerLiteral :: LegacyOctalLikeDecimalIntegerLiteral NonOctalDigit</emu-grammar> is (the MV of |LegacyOctalLikeDecimalIntegerLiteral| times 10) plus the MV of |NonOctalDigit|.
-        </li>
-        <li>
-          The MV of <emu-grammar>NonOctalDecimalIntegerLiteral :: NonOctalDecimalIntegerLiteral DecimalDigit</emu-grammar> is (the MV of |NonOctalDecimalIntegerLiteral| times 10) plus the MV of |DecimalDigit|.
-        </li>
-        <li>
-          The MV of <emu-grammar>LegacyOctalLikeDecimalIntegerLiteral :: `0` OctalDigit</emu-grammar> is the MV of |OctalDigit|.
-        </li>
-        <li>
-          The MV of <emu-grammar>LegacyOctalLikeDecimalIntegerLiteral :: LegacyOctalLikeDecimalIntegerLiteral OctalDigit</emu-grammar> is (the MV of |LegacyOctalLikeDecimalIntegerLiteral| times 10) plus the MV of |OctalDigit|.
-        </li>
-        <li>
-          The MV of <emu-grammar>NonOctalDigit :: `8`</emu-grammar> is 8.
-        </li>
-        <li>
-          The MV of <emu-grammar>NonOctalDigit :: `9`</emu-grammar> is 9.
-        </li>
-      </ul>
-      </emu-annex>
+      <p>and the productions for |LegacyOctalIntegerLiteral|, |NonOctalDecimalIntegerLiteral|, |LegacyOctalLikeDecimalIntegerLiteral|, and |NonOctalDigit|.</p>
     </emu-annex>
 
     <emu-annex id="sec-additional-syntax-string-literals">
@@ -41429,7 +41426,7 @@ <h1>The Strict Mode of ECMAScript</h1>
       `implements`, `interface`, `let`, `package`, `private`, `protected`, `public`, `static`, and `yield` are reserved words within strict mode code. (<emu-xref href="#sec-reserved-words"></emu-xref>).
     </li>
     <li>
-      A conforming implementation, when processing strict mode code, must not extend, as described in <emu-xref href="#sec-additional-syntax-numeric-literals"></emu-xref>, the syntax of |NumericLiteral| to include |LegacyOctalIntegerLiteral|, nor extend the syntax of |DecimalIntegerLiteral| to include |NonOctalDecimalIntegerLiteral|.
+      A conforming implementation, when processing strict mode code, must disallow instances of the productions <emu-grammar>NumericLiteral :: LegacyOctalIntegerLiteral</emu-grammar> and <emu-grammar>DecimalIntegerLiteral :: NonOctalDecimalIntegerLiteral</emu-grammar>.
     </li>
     <li>
       A conforming implementation, when processing strict mode code, may not extend the syntax of |EscapeSequence| to include |LegacyOctalEscapeSequence| as described in <emu-xref href="#sec-additional-syntax-string-literals"></emu-xref>.