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+++ /dev/null
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+++ /dev/null
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+++ /dev/null
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Index: www/delta_format.wiki
==================================================================
--- www/delta_format.wiki
+++ www/delta_format.wiki
@@ -61,21 +61,30 @@
        that returns one row for the header, for the trailer, and for each segment
        in delta D.
 
 
 <a name="structure"></a><h1>2.0 Structure</h1>
-<img src="delta1.gif" align="left" hspace="10">
+<verbatim type="pikchr">
+    leftmargin = 0.1
+    box height 50% "Header"
+    box same "Segments"
+    box same "Trailer"
+</verbatim>
 
 <p>A delta consists of three parts, a "header", a "trailer", and a
 "segment-list" between them.</p>
 
 <p>Both header and trailer provide information about the target
 helping the decoder, and the segment-list describes how the target can
 be constructed from the original.</p>
 
 <a name="header"></a><h2>2.1 Header</h2>
-<img src="delta6.gif" align="left" hspace="10">
+<verbatim type="pikchr">
+    leftmargin = 0.1
+    box height 50% "Size"
+    box same "\"\\n\""
+</verbatim>
 
 <p>The header consists of a single number followed by a newline
 character (ASCII 0x0a). The number is the length of the target in
 bytes.</p>
 
@@ -83,11 +92,15 @@
 the target (and allocate any necessary memory based on that) by simply
 reading the first line of the delta and decoding the number found
 there. In other words, before it has to decode everything else.</p>
 
 <a name="trailer"></a><h2>2.2 Trailer</h2>
-<img src="delta5.gif" align="left" hspace="10">
+<verbatim type="pikchr">
+    leftmargin = 0.1
+    box height 50% "Checksum"
+    box same "\":\""
+</verbatim>
 
 <p>The trailer consists of a single number followed by a semicolon (ASCII
 0x3b). This number is a checksum of the target and can be used by a
 decoder to verify that the delta applied correctly, reconstructing the
 target from the original.</p>
@@ -100,11 +113,32 @@
 <p>By putting this information at the end of the delta a decoder has
 it available immediately after the target has been reconstructed
 fully.</p>
 
 <a name="slist"></a><h2>2.3 Segment-List</h2>
-<img src="delta2.gif" align="left" hspace="10">
+<verbatim type="pikchr">
+    leftmargin = 0.1
+    PART1: [
+        B1: box height 50% width 15% ""
+        B2: box same ""
+        B3: box same ""
+            move 0.1 ; box same invisible "***" ; move 0.1
+            box height 50% width 15% ""
+        I1: line down 50% from B2 .s
+            arrow right until even with B3.e
+            box "Insert Literal" height 50%
+            line down 75% from I1 .s
+            arrow right until even with B3.e
+            box "Copy Range" height 50%
+    ]
+    down
+    box invisible "" height 0.1
+    box "Length" height 50% with .nw at (PART1.w, previous.s)
+    right
+    box "\":\"" same
+    box "Bytes" same
+</verbatim>
 
 <p>The segment-list of a delta describes how to create the target from
 the original by a combination of inserting literal byte-sequences and
 copying ranges of bytes from the original. This is where the
 compression takes place, by encoding the large common parts of
@@ -117,11 +151,17 @@
 <a name="insertlit"></a><h3>2.3.1 Insert Literal</h3>
 
 <p>A literal is specified by two elements, the size of the literal in
 bytes, and the bytes of the literal itself.</p>
 
-<img src="delta4.gif" align="left" hspace="10">
+<verbatim type="pikchr">
+    leftmargin = 0.1
+    box "Length" height 50%
+    box "\":\"" same
+    box "Bytes" same
+</verbatim>
+
 <p>The length is written first, followed by a colon character (ASCII
 0x3a), followed by the bytes of the literal.</p>
 
 <a name="copyrange"></a><h3>2.3.2 Copy Range</h3>
 
@@ -128,11 +168,19 @@
 <p>A range to copy is specified by two numbers, the offset of the
 first byte in the original to copy, and the size of the range, in
 bytes. The size zero is special, its usage indicates that the range
 extends to the end of the original.</p>
 
-<img src="delta3.gif" align="left" hspace="10">
+<verbatim type="pikchr">
+    leftmargin = 0.1
+    box "Length" height 50%
+    box "\"@\"" same
+    box "Offset" same
+    box "\",\"" same
+</verbatim>
+
+
 <p>The length is written first, followed by an "at" character (ASCII
 0x40), then the offset, followed by a comma (ASCII 0x2c).</p>
 
 <a name="intcoding"></a><h1>3.0 Encoding of integers</h1>
 
@@ -181,20 +229,20 @@
 
 <p>This can be taken apart into the following parts:</p>
 
 <table border=1>
 <tr><th>What  </th> <th>Encoding         </th><th>Meaning </th><th>Details</th></tr>
-<tr><td>Header</td> <td>1Xb              </td><td>Size    </td><td> 6246	     </td></tr>
-<tr><td>S-List</td> <td>4E@0,	         </td><td>Copy    </td><td> 270 @ 0	     </td></tr>
-<tr><td>&nbsp;</td> <td>2:th	         </td><td>Literal </td><td> 2 'th'	     </td></tr>
-<tr><td>&nbsp;</td> <td>FN@4C,	         </td><td>Copy    </td><td> 983 @ 268	     </td></tr>
-<tr><td>&nbsp;</td> <td>6:scenda         </td><td>Literal </td><td> 6 'scenda'	     </td></tr>
-<tr><td>&nbsp;</td> <td>1B@Jd,	         </td><td>Copy    </td><td> 75 @ 1256	     </td></tr>
-<tr><td>&nbsp;</td> <td>6:scenda         </td><td>Literal </td><td> 6 'scenda'	     </td></tr>
-<tr><td>&nbsp;</td> <td>5x@Kt,	         </td><td>Copy    </td><td> 380 @ 1336	     </td></tr>
-<tr><td>&nbsp;</td> <td>6:pieces	 </td><td>Literal </td><td> 6 'pieces'	     </td></tr>
-<tr><td>&nbsp;</td> <td>79@Qt,	         </td><td>Copy    </td><td> 457 @ 1720     </td></tr>
+<tr><td>Header</td> <td>1Xb              </td><td>Size    </td><td> 6246         </td></tr>
+<tr><td>S-List</td> <td>4E@0,            </td><td>Copy    </td><td> 270 @ 0      </td></tr>
+<tr><td>&nbsp;</td> <td>2:th             </td><td>Literal </td><td> 2 'th'       </td></tr>
+<tr><td>&nbsp;</td> <td>FN@4C,           </td><td>Copy    </td><td> 983 @ 268        </td></tr>
+<tr><td>&nbsp;</td> <td>6:scenda         </td><td>Literal </td><td> 6 'scenda'       </td></tr>
+<tr><td>&nbsp;</td> <td>1B@Jd,           </td><td>Copy    </td><td> 75 @ 1256        </td></tr>
+<tr><td>&nbsp;</td> <td>6:scenda         </td><td>Literal </td><td> 6 'scenda'       </td></tr>
+<tr><td>&nbsp;</td> <td>5x@Kt,           </td><td>Copy    </td><td> 380 @ 1336       </td></tr>
+<tr><td>&nbsp;</td> <td>6:pieces     </td><td>Literal </td><td> 6 'pieces'       </td></tr>
+<tr><td>&nbsp;</td> <td>79@Qt,           </td><td>Copy    </td><td> 457 @ 1720     </td></tr>
 <tr><td>&nbsp;</td> <td>F: Example: eskil</td><td>Literal </td><td> 15 ' Example: eskil'</td></tr>
 <tr><td>&nbsp;</td> <td>~E@Y0,           </td><td>Copy    </td><td>  4046 @ 2176        </td></tr>
 <tr><td>Trailer</td><td>2zMM3E           </td><td>Checksum</td><td> -1101438770         </td></tr>
 </table>