diff --git a/complete.html b/complete.html
index 0b07aaf1ec5..d906bdf3fa9 100644
--- a/complete.html
+++ b/complete.html
@@ -14114,8 +14114,7 @@ <h5 id=pragma-directives><span class=secno>4.2.5.3 </span>Pragma directives</h5>
      <li><p>Let <var title="">url</var> be the address of the current page.</li>
 
      <li><p>If the character in <var title="">input</var> pointed to by <var title="">position</var>
-     is a U+003B SEMICOLON (;), then advance <var title="">position</var> to the next character.
-     Otherwise, jump to the last step.</li>
+     is a U+003B SEMICOLON character (;) or a U+002C COMMA character (,), then advance <var title="">position</var> to the next character. Otherwise, jump to the last step.</li>
 
      <li><p><a href=#skip-whitespace>Skip whitespace</a>.</li>
 
@@ -14212,9 +14211,10 @@ <h5 id=pragma-directives><span class=secno>4.2.5.3 </span>Pragma directives</h5>
 
     <ul><li>just a <a href=#valid-non-negative-integer>valid non-negative integer</a>, or</li>
 
-     <li>a <a href=#valid-non-negative-integer>valid non-negative integer</a>, followed by a U+003B SEMICOLON character (;),
-     followed by one or more <a href=#space-character title="space character">space characters</a>, followed by a
-     substring that is an <a href=#ascii-case-insensitive>ASCII case-insensitive</a> match for the string "<code title="">URL</code>", followed by a U+003D EQUALS SIGN character (=), followed by a <a href=#valid-url>valid
+     <li>a <a href=#valid-non-negative-integer>valid non-negative integer</a>, followed by a U+003B SEMICOLON character
+     (;)<!--(add this at some point once the browsers all support it) or a U+002C COMMA character
+     (,)-->, followed by one or more <a href=#space-character title="space character">space characters</a>, followed
+     by a substring that is an <a href=#ascii-case-insensitive>ASCII case-insensitive</a> match for the string "<code title="">URL</code>", followed by a U+003D EQUALS SIGN character (=), followed by a <a href=#valid-url>valid
      URL</a> that does not start with a literal U+0027 APOSTROPHE (') or U+0022 QUOTATION MARK
      (") character.</li>
 
diff --git a/index b/index
index 0b07aaf1ec5..d906bdf3fa9 100644
--- a/index
+++ b/index
@@ -14114,8 +14114,7 @@ people expect to have work and what is necessary.
      <li><p>Let <var title="">url</var> be the address of the current page.</li>
 
      <li><p>If the character in <var title="">input</var> pointed to by <var title="">position</var>
-     is a U+003B SEMICOLON (;), then advance <var title="">position</var> to the next character.
-     Otherwise, jump to the last step.</li>
+     is a U+003B SEMICOLON character (;) or a U+002C COMMA character (,), then advance <var title="">position</var> to the next character. Otherwise, jump to the last step.</li>
 
      <li><p><a href=#skip-whitespace>Skip whitespace</a>.</li>
 
@@ -14212,9 +14211,10 @@ people expect to have work and what is necessary.
 
     <ul><li>just a <a href=#valid-non-negative-integer>valid non-negative integer</a>, or</li>
 
-     <li>a <a href=#valid-non-negative-integer>valid non-negative integer</a>, followed by a U+003B SEMICOLON character (;),
-     followed by one or more <a href=#space-character title="space character">space characters</a>, followed by a
-     substring that is an <a href=#ascii-case-insensitive>ASCII case-insensitive</a> match for the string "<code title="">URL</code>", followed by a U+003D EQUALS SIGN character (=), followed by a <a href=#valid-url>valid
+     <li>a <a href=#valid-non-negative-integer>valid non-negative integer</a>, followed by a U+003B SEMICOLON character
+     (;)<!--(add this at some point once the browsers all support it) or a U+002C COMMA character
+     (,)-->, followed by one or more <a href=#space-character title="space character">space characters</a>, followed
+     by a substring that is an <a href=#ascii-case-insensitive>ASCII case-insensitive</a> match for the string "<code title="">URL</code>", followed by a U+003D EQUALS SIGN character (=), followed by a <a href=#valid-url>valid
      URL</a> that does not start with a literal U+0027 APOSTROPHE (') or U+0022 QUOTATION MARK
      (") character.</li>
 
diff --git a/source b/source
index 10549562e48..ed9a268411a 100644
--- a/source
+++ b/source
@@ -14675,8 +14675,8 @@ people expect to have work and what is necessary.
      <li><p>Let <var title="">url</var> be the address of the current page.</p></li>
 
      <li><p>If the character in <var title="">input</var> pointed to by <var title="">position</var>
-     is a U+003B SEMICOLON (;), then advance <var title="">position</var> to the next character.
-     Otherwise, jump to the last step.</p></li>
+     is a U+003B SEMICOLON character (;) or a U+002C COMMA character (,), then advance <var
+     title="">position</var> to the next character. Otherwise, jump to the last step.</p></li>
 
      <li><p><span>Skip whitespace</span>.</p></li>
 
@@ -14788,9 +14788,10 @@ people expect to have work and what is necessary.
 
      <li>just a <span>valid non-negative integer</span>, or</li>
 
-     <li>a <span>valid non-negative integer</span>, followed by a U+003B SEMICOLON character (;),
-     followed by one or more <span title="space character">space characters</span>, followed by a
-     substring that is an <span>ASCII case-insensitive</span> match for the string "<code
+     <li>a <span>valid non-negative integer</span>, followed by a U+003B SEMICOLON character
+     (;)<!--(add this at some point once the browsers all support it) or a U+002C COMMA character
+     (,)-->, followed by one or more <span title="space character">space characters</span>, followed
+     by a substring that is an <span>ASCII case-insensitive</span> match for the string "<code
      title="">URL</code>", followed by a U+003D EQUALS SIGN character (=), followed by a <span>valid
      URL</span> that does not start with a literal U+0027 APOSTROPHE (') or U+0022 QUOTATION MARK
      (") character.</li>