Sync

Task/Conditional-structures/XSLT/conditional-structures-2.xslt

@@ -1,12 +1,17 @@
 <xsl:choose>
   <xsl:when test="condition1">
-    <!-- executed if condition1 evaluates to true -->
+    <!-- included if condition1 evaluates to true (like C `if`) -->
   </xsl:when>
   <xsl:when test="condition2">
-    <!-- executed if condition2 evaluates to true -->
+    <!-- included if all previous conditions evaluated to false and
+         condition2 evaluates to true (like C `else if`) -->
   </xsl:when>
-  <-- etc. -->
+  <--
+    ...
+  -->
   <xsl:otherwise>
-    <!-- optional catch-all processing, like C's else or default -->
+    <!-- included if all previous conditions evaluated to false
+         (like C `else`) -->
+    <!-- (The `otherwise` element is optional) -->
   </xsl:otherwise>
 </xsl:choose>

Task/Conditional-structures/XSLT/conditional-structures-3.xslt

@@ -1,4 +1,11 @@
-@attrib = 'false'
-position() != last()
-not( false() )
-boolean( $param )
+<xsl:if test="@attrib = 'foo'">...</xsl:if>
+<xsl:if test="position() != last()">...</xsl:if>
+<xsl:if test="not(false())">...</xsl:if>
+
+<!-- Some XPath expressions must be escaped. -->
+<xsl:if test='contains(node, "stuff") and (position() &gt; first())'>...</xsl:if>
+
+<!-- The following two examples are synonymous because the test attribute is
+     implicitly converted to boolean. -->
+<xsl:if test="boolean($expr)">...</xsl:if>
+<xsl:if test="$expr">...</xsl:if>