Resolve #366

docs/32000-2-2020/clause07.md

@@ -3,7 +3,7 @@ subset: PDF 2.0
 isodoc: ISO 32000-2:2020
 clause: 7
 title: Syntax
-modified: 25 April 2024
+modified: 27 April 2024
 ---
 
 <ul class="noprint">
@@ -35,6 +35,12 @@ modified: 25 April 2024
    <ul>
     <li><a href="#H7.4.3">7.4.3 ASCII85Decode filter</a>
     </li>
+    <li>7.4.4 LZWDecode and FlateDecode filters</a>
+     <ul>
+      <li><a href="#H7.4.4.3">7.4.4.3 LZWDecode and FlateDecode parameters</a>
+      </li>
+     </ul>
+    </li>
     <li><a href="#H7.4.9">7.4.9 JPXDecode filter</a>
     </li>
    </ul>
@@ -346,6 +352,38 @@ Any other characters, and any character sequences that represent impossible comb
     <li>A final partial group contains only one character.</li>
 </ul>
 
+<h3 id="H7.4.4">7.4.4 LZWDecode and FlateDecode filters</h3>
+
+<p>...</p>
+
+<h4 id="H7.4.4.3">7.4.4.3 LZWDecode and FlateDecode parameters</h4>
+
+<p>...</p>
+
+<p class="location">Change Table 8 as follows:</p>
+
+<table>
+  <caption id="Table8">Table 8 - Optional parameters for LZWDecode and FlateDecode filters</caption>
+  <tr>
+    <th>Key</th>
+    <th>Type</th>
+    <th>Value</th>
+  </tr>
+  <tr>
+    <td><b>BitsPerComponent</b></td>
+    <td>integer</td>
+    <td>
+     <p>(<i>May be used only if <b>Predictor</b> is greater than 1</i>) The number of bits used to represent each colour component in a sample. 
+     Valid values are <i>1</i>, <i>2</i>, <i>4</i>, <i>8</i>, and (<i>PDF 1.5</i>) <i>16</i>. Default value: <i>8</i>.
+     </p>
+     <p class="hangingindent"><ins onMouseEnter="mouseEnter(this)" data-issue="366">
+       NOTE there is no relationship between this parameter and the similarly named key in image dictionaries.
+     </ins></p>
+    </td>
+  </tr>
+</table>
+
+
 <h3 id="H7.4.9">7.4.9 JPXDecode filter</h3>
 
 <p class="location">Change paragraph below NOTE 5 as follows:</p>

docs/32000-2-2020/clause08.md

@@ -399,6 +399,30 @@ indicates that the corresponding colour component shall never be painted on the
     <th>Type</th>
     <th>Value</th>
   </tr>
+  <tr>
+    <td><b>BitsPerComponent</b></td>
+    <td>integer</td>
+    <td>
+    <p>
+      (<i>Required except for image masks and images that use the <b>JPXDecode</b> filter</i>) The number of bits used to represent each colour component.
+      Only a single value shall be specified; the number of bits shall be the same for all colour components. The value shall be <i>1</i>, <i>2</i>, 
+      <i>4</i>, <i>8</i>, or (<i>from PDF 1.5</i>) <i>16</i>. If <b>ImageMask</b> is <i>true</i>, this entry is optional, but if specified, its
+      value shall be <i>1</i>.
+    </p>
+    <p>
+      If the image stream uses a filter, the value of <b>BitsPerComponent</b> shall be consistent with the size of the data samples that the filter
+      delivers. In particular, a <b>CCITTFaxDecode</b> or <b>JBIG2Decode</b> filter shall always deliver 1-bit samples, a <b>RunLengthDecode</b> or
+      <b>DCTDecode</b> filter shall always deliver 8-bit samples, and an <b>LZWDecode</b> or <b>FlateDecode</b> filter shall deliver samples of
+      <del onMouseEnter="mouseEnter(this)" data-issue="366">a</del>
+      <ins onMouseEnter="mouseEnter(this)" data-issue="366">the</ins> 
+      specified size <del onMouseEnter="mouseEnter(this)" data-issue="366">if a predictor function is used</del>.
+    </p>
+    <p>
+      If the image stream uses the <b>JPXDecode</b> filter, this entry is optional and shall be ignored if present. The bit depth is determined by 
+      the PDF processor in the process of decoding the JPEG 2000 image.
+    </p>
+    </td>
+  </tr>
   <tr>
     <td><b>Intent</b></td>
     <td>name</td>

docs/32000-2-2020/index.md

@@ -26,6 +26,7 @@ All issues related to {{ page.subset }} are recorded in the PDF Association's <a
 <p>The following tables have all been corrected:</p>
 <ul>
 <li><a href="clause07.html#Table5">Table 5 - Entries common to all stream dictionaries</a></li>
+<li><a href="clause07.html#Table8">Table 8 - Optional parameters for LZWDecode and FlateDecode filters</a></li>
 <li><a href="clause07.html#Table15">Table 15 - Entries in the file trailer dictionary</a></li>
 <li><a href="clause07.html#Table19">Table 19 - Additional entries in a hybrid-reference file’s trailer dictionary</a></li>
 <li><a href="clause07.html#Table25">Table 25 - Entries common to all crypt filter dictionaries</a></li>