[css2] Rewrote list bullet about position of spanning cells, and made it

bert-github · bert-github · commit a7eda952c7c3 · 1998-05-04T20:43:36.000Z
clear that the rules only apply to non HTML tables. Also modified the
example, the caption and the longdesc accordingly.

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%401635
diff --git a/css2/tables.src b/css2/tables.src
@@ -1,6 +1,6 @@
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
 <html lang="en">
-<!-- $Id: tables.src,v 2.38 1998-05-02 23:08:25 ijacobs Exp $ -->
+<!-- $Id: tables.src,v 2.39 1998-05-04 20:43:36 bbos Exp $ -->
 <head>
 <meta http-equiv="Content-Type" content="text/html;charset=ISO-8859-1">
 <title>Tables</title>
@@ -562,27 +562,32 @@ property of the table.
 <li>A column group box occupies the same grid cells as the columns it
 contains. 
 
-<li>Structurally speaking, each cell belongs to one row and column;
-this row and column give the coordinates of the cell.  Visually, each
-cell box occupies a rectangular area on the grid, one or more grid cells
-wide and high. The top row of this rectangle must be
-the row specified by the cell's parent. The rectangle must be as far
-to the left as possible, but it may not overlap with any other cell,
-and must be to the right of all cells in the same row that are earlier
-in the source document. (If the <span
-class="propinst-direction">'direction'</span> of the table is
-'right-to-left', interchange "left" and "right" in the previous
-sentence.) A cell box cannot extend beyond the last row box of a table; it
+<li>Cells may span several rows or columns. (Although CSS2 doesn't
+define how the number of spanned rows or columns is determined, a user
+agent may have special knowledge about the source document; a future
+version of CSS may provide a way to express this knowledge in CSS
+syntax.) Each cell is thus a rectangular box, one or more grid cells
+wide and high. The top row of this rectangle is in the row specified
+by the cell's parent. The rectangle must be as far to the left as
+possible, but it may not overlap with any other cell box, and must be
+to the right of all cells in the same row that are earlier in the
+source document. (This constraint holds if the 'direction' property of
+the table is 'ltr'; if the <span
+class="propinst-direction">'direction'</span> is 'rtl', interchange
+"left" and "right" in the previous sentence.)
+
+<li>A cell box cannot extend beyond the last row box of a table; the
 user agents must shorten it until it fits. 
-<strong>Note.</strong>
+</ol>
+
+<p><strong>Note.</strong>
 Table cells may be relatively and absolutely positioned, but
 this is not recommended: positioning and floating remove a box
 from the flow, affecting table alignment.
 
-</ol>
-
 <div class="html-example">
-<p>Here is an example:
+<p>Here are two examples. The first is assumed to occur in an HTML
+document:
 
 <pre>
 &lt;TABLE&gt;
@@ -591,14 +596,23 @@ from the flow, affecting table alignment.
 &lt;/TABLE&gt;
 </pre>
 
-<p>This table is in error. According to HTML 4.0, the formatting on the
-left is allowed. However, CSS2 UAs must format this table as in the
-figure on the right:
+<pre>
+&lt;TABLE&gt;
+&lt;ROW&gt;&lt;CELL&gt;1 &lt;CELL rowspan="2"&gt;2 &lt;CELL&gt;3 &lt;CELL&gt;4
+&lt;ROW&gt;&lt;CELL colspan="2"&gt;5
+&lt;/TABLE&gt;
+</pre>
+
+<p>The second table is formatted as in the figure on the
+right. However, the HTML table's rendering is explicitly undefined by
+HTML, and CSS doesn't try to define it. User agents are free to render
+it, e.g., as in the figure on the left.
 
 <div class="figure">
-<p><img src="images/table-overlap.gif" alt="two formattings of an erroneous table"> <p class="caption">Two formattings of an erroneous
-HTML 4.0 table. The formatting on the left is allowed by HTML 4.0, but
-in CSS2 the one on the right is compulsory.
+<p><img src="images/table-overlap.gif" alt="One table with overlapping
+cells and one without"> <p class="caption">On the left, one possible
+rendering of an erroneous HTML 4.0 table; on the right, the only
+possible formatting of a similar, non-HTML table.
 </div>
 </div>
 
