Use the `mode' <k> attribute at more places in the help files.

common/locale/en-US/cmdline.xml

@@ -146,7 +146,7 @@
     <spec>&lt;A-Tab></spec>
     <description>
         <p>
-            Similar to <k name="Tab"/>, but the completion behavior is
+            Similar to <k name="Tab" mode="c"/>, but the completion behavior is
             specified by the <o>altwildmode</o> option.
         </p>
     </description>
@@ -158,7 +158,7 @@
     <strut/>
     <spec>&lt;A-S-Tab></spec>
     <description>
-        <p>The <k name="S-Tab"/> equivalent for <o>altwildmode</o>.</p>
+        <p>The <k name="S-Tab" mode="c"/> equivalent for <o>altwildmode</o>.</p>
     </description>
 </item>
 

common/locale/en-US/eval.xml

@@ -120,15 +120,15 @@
         </p>
 
         <p>
-            Moreover, sophisticated, context-sensitive <k name="Tab"/>
+            Moreover, sophisticated, context-sensitive <k name="Tab" mode="c"/>
             completion is available for JavaScript code, which extends to
             property names, object keys, and programmable completion for
             string function arguments. The completion code is designed to be
             both as safe and as powerful as possible. Expressions in a given
             command-line session will only be evaluated once, and, with
             autocompletion turned on, any completion which requires a function
-            to be executed requires an explicit <k name="Tab"/> press to
+            to be executed requires an explicit <k name="Tab" mode="c"/> press
-            commence.
+            to commence.
         </p>
 
         <p>

common/locale/en-US/map.xml

@@ -401,7 +401,7 @@
     For the purposes of abbreviations, keyword characters include
     all non-whitespace characters except for single or double
     quotation marks. Abbreviations are expanded as soon as any
-    non-keyword character, or the key <k name="C-]"/>, is typed.
+    non-keyword character, or the key <k name="C-]" mode="c"/>, is typed.
 </p>
 
 <item>

common/locale/en-US/options.xml

@@ -149,7 +149,7 @@
         <p>
             Set string or number option to <a>value</a>.
             For numeric options the value must be given in decimal.
-            The old value can be inserted by typing <k name="Tab"/>.
+            The old value can be inserted by typing <k name="Tab" mode="c"/>.
         </p>
     </description>
 </item>
@@ -335,7 +335,8 @@
     <default>list:full</default>
     <description>
         <p>
-            Like <o>wildmode</o>, but when the <k name="A-Tab"/> key is pressed.
+            Like <o>wildmode</o>, but when the <k name="A-Tab" mode="c"/> key
+            is pressed.
         </p>
     </description>
 </item>
@@ -353,7 +354,7 @@
             <t>command-line</t> is focused.  Thereafter, any key press
             triggers a completion update for the matching groups (hereafter
             ‘contexts’). Non-matching contexts will only be updated when the
-            <k name="Tab"/> key is pressed. This option is useful for
+            <k name="Tab" mode="c"/> key is pressed. This option is useful for
             disabling auto-completion for computationally intensive contexts
             that don't perform well when your system is under load.
         </p>
@@ -469,8 +470,8 @@
     <description>
         <p>
             Set the external text editor.
-            This is the editor used by <k name="C-i"/>, <k>gF</k>, and other
+            This is the editor used by <k name="C-i" mode="i"/>, <k>gF</k>, and
-            commands which launch an external text editor.
+            other commands which launch an external text editor.
         </p>
 
         <warning>
@@ -581,7 +582,7 @@
         <dl>
             <dt>0</dt>      <dd>Follow the first hint as soon as typed text uniquely identifies it.</dd>
             <dt>1</dt>      <dd>Follow the selected hint on <k name="Return"/>.</dd>
-            <dt>2</dt>      <dd>Follow the selected hint on <k name="Return"/> only if it's been <k name="Tab"/>-selected.</dd>
+            <dt>2</dt>      <dd>Follow the selected hint on <k name="Return"/> only if it's been <k name="Tab" mode="c"/>-selected.</dd>
         </dl>
     </description>
 </item>
@@ -1471,9 +1472,9 @@
         <p>
             Defines how command-line completion works. It is a comma-separated
             list of parts, where each part specifies what to do for each
-            consecutive press of the <k name="Tab"/> key. The last element in
+            consecutive press of the <k name="Tab" mode="c"/> key. The last
-            the list is used for each succeeding <k name="Tab"/> after it has
+            element in the list is used for each succeeding <k name="Tab" mode="c"/>
-            been reached.
+            after it has been reached.
         </p>
 
         <p>These are the possible values for each part:</p>

common/locale/en-US/various.xml

@@ -36,9 +36,9 @@
             the completion system via options like <o>autocomplete</o> and
             <o>wildcase</o>. Note that completion must be triggered in order
             for this command to be effective, so if autocompletion is not
-            active, you'll need to press the <k name="Tab"/> key at least
+            active, you'll need to press the <k name="Tab" mode="c"/> key at
-            once. You should also be aware that this command is only useful
+            least once. You should also be aware that this command is only
-            from the commandline.
+            useful from the commandline.
         </p>
     </description>
 </item>
@@ -246,7 +246,7 @@
             Open a help page for <oa>subject</oa>. If <oa>subject</oa> is
             omitted, open the default page as specified in <o>helpfile</o>.
             If you're not sure of the exact topic you need help with, try
-            <k name="Tab"/> completion or <ex>:help overview</ex>.
+            <k name="Tab" mode="c"/> completion or <ex>:help overview</ex>.
         </p>
     </description>
 </item>