remove Gecko quirks from shift_jis

Author: annevk

Overview.html

@@ -1456,8 +1456,6 @@ <h3 id="iso-2022-jp"><span class="secno">10.2 </span><dfn>iso-2022-jp</dfn></h3>
 
 <h3 id="shift_jis"><span class="secno">10.3 </span><dfn>shift_jis</dfn></h3>
 
-<p>The <dfn id="shift_jis-fallback-code-point">shift_jis fallback code point</dfn> is U+30FB.</p>
-
 <p>The <dfn id="shift_jis-lead">shift_jis lead</dfn> is initially 0x00.
 
 <p>The <dfn id="shift_jis-decoder">shift_jis decoder</dfn> (<a href="#decoder">decoder</a> for <a href="#shift_jis">shift_jis</a>) is:
@@ -1486,17 +1484,12 @@ <h3 id="shift_jis"><span class="secno">10.3 </span><dfn>shift_jis</dfn></h3>
     0x80 to 0xFC, run these substeps:
 
     <ol>
+     <!-- JAPANESE DRAGONS (more scary and crazy) -->
+
      <li><p>Set <var title="">offset</var> to 0x40 if <var title="">byte</var> is
      less than 0x7F, or 0x41 otherwise.
      <!-- offset = byte < 0x7F ? 0x40 : 0x41 -->
 
-     <li><p>If <var title="">lead</var> is in the range 0xF0 to 0xF9, this is a
-     <a href="#decoder-error">decoder error</a>; emit a code point whose value is
-     0xE000 + (<var title="">lead</var> − 0xF0) × 188 +
-     <var title="">byte</var> − <var title="">offset</var>.
-
-     <!--JAPANESE DRAGONS (more scary and crazy)-->
-
      <li><p>Let <var title="">adjust</var> be 0, or 1 if <var title="">byte</var>
      is less than 0x9F.
      <!-- adjust = byte < 159 -->
@@ -1520,12 +1513,8 @@ <h3 id="shift_jis"><span class="secno">10.3 </span><dfn>shift_jis</dfn></h3>
      (<var title="">row</var>, <var title="">byte</var> − <var title="">offset</var>).
      <!-- cell = byte - offset -->
 
-     <li>
-      <p>If <var title="">code point</var> is null, this is a
-      <a href="#decoder-error">decoder error</a>; emit the
-      <a href="#shift_jis-fallback-code-point">shift_jis fallback code point</a>.
-
-      <p class="note">This is not your normal <a href="#fallback-code-point">fallback code point</a>!
+     <li><p>If <var title="">code point</var> is null, this is a
+     <a href="#decoder-error">decoder error</a>.
 
      <li><p>Emit <var title="">code point</var>.
     </ol>
@@ -1538,15 +1527,10 @@ <h3 id="shift_jis"><span class="secno">10.3 </span><dfn>shift_jis</dfn></h3>
  code point whose value is <var title="">byte</var>.
  <!-- Opera has 0x7E -->
 
- <li><p>If <var title="">byte</var> is 0xA0, emit U+F8F0.
-
  <li><p>If <var title="">byte</var> is in the range 0xA1 to 0xDF, emit a
  code point whose value is 0xFF61 − 0xA1 + <var title="">byte</var>.
  <!-- katakana -->
 
- <li><p>If <var title="">byte</var> is in the range 0xFD to 0xFF, emit a
- code point whose value is 0xF7F4 + <var title="">byte</var>.
-
  <li><p>If <var title="">byte</var> is in the range 0x81 to 0x9F or
  0xE0 to 0xFC, set <a href="#shift_jis-lead">shift_jis lead</a> to <var title="">byte</var> and
  continue.

Overview.src.html

@@ -1423,8 +1423,6 @@ <h3><dfn>iso-2022-jp</dfn></h3>
 
 <h3><dfn>shift_jis</dfn></h3>
 
-<p>The <dfn>shift_jis fallback code point</dfn> is U+30FB.</p>
-
 <p>The <dfn>shift_jis lead</dfn> is initially 0x00.
 
 <p>The <dfn>shift_jis decoder</dfn> (<span>decoder</span> for <span>shift_jis</span>) is:
@@ -1453,17 +1451,12 @@ <h3><dfn>shift_jis</dfn></h3>
     0x80 to 0xFC, run these substeps:
 
     <ol>
+     <!-- JAPANESE DRAGONS (more scary and crazy) -->
+
      <li><p>Set <var title>offset</var> to 0x40 if <var title>byte</var> is
      less than 0x7F, or 0x41 otherwise.
      <!-- offset = byte < 0x7F ? 0x40 : 0x41 -->
 
-     <li><p>If <var title>lead</var> is in the range 0xF0 to 0xF9, this is a
-     <span>decoder error</span>; emit a code point whose value is
-     0xE000 + (<var title>lead</var> &minus; 0xF0) &times; 188 +
-     <var title>byte</var> &minus; <var title>offset</var>.
-
-     <!--JAPANESE DRAGONS (more scary and crazy)-->
-
      <li><p>Let <var title>adjust</var> be 0, or 1 if <var title>byte</var>
      is less than 0x9F.
      <!-- adjust = byte < 159 -->
@@ -1487,12 +1480,8 @@ <h3><dfn>shift_jis</dfn></h3>
      (<var title>row</var>, <var title>byte</var> &minus; <var title>offset</var>).
      <!-- cell = byte - offset -->
 
-     <li>
-      <p>If <var title>code point</var> is null, this is a
-      <span>decoder error</span>; emit the
-      <span>shift_jis fallback code point</span>.
-
-      <p class=note>This is not your normal <span>fallback code point</span>!
+     <li><p>If <var title>code point</var> is null, this is a
+     <span>decoder error</span>.
 
      <li><p>Emit <var title>code point</var>.
     </ol>
@@ -1505,15 +1494,10 @@ <h3><dfn>shift_jis</dfn></h3>
  code point whose value is <var title>byte</var>.
  <!-- Opera has 0x7E -->
 
- <li><p>If <var title>byte</var> is 0xA0, emit U+F8F0.
-
  <li><p>If <var title>byte</var> is in the range 0xA1 to 0xDF, emit a
  code point whose value is 0xFF61 &minus; 0xA1 + <var title>byte</var>.
  <!-- katakana -->
 
- <li><p>If <var title>byte</var> is in the range 0xFD to 0xFF, emit a
- code point whose value is 0xF7F4 + <var title>byte</var>.
-
  <li><p>If <var title>byte</var> is in the range 0x81 to 0x9F or
  0xE0 to 0xFC, set <span>shift_jis lead</span> to <var title>byte</var> and
  continue.