add :optionusage, :messages and :delstyle to index.txt

TODO

@@ -1,6 +1,6 @@
 <pre>
 Priority list:
-1-9 as in vim (9=required for next release, 5=would be nice, 1=probably not)
+1-9 as in Vim (9=required for next release, 5=would be nice, 1=probably not)
 
 BUGS:
 - add window resize support to hints
@@ -28,7 +28,7 @@ BUGS:
   no other matches are found
 
 FEATURES:
-9 addaptive timeout for auto-completions, :set completions can be updated more often than
+9 adaptive timeout for auto-completions, :set completions can be updated more often than
   :open foo
 9 :highlight clear and :colorscheme default
 9 use the storage module for autocommands
@@ -40,10 +40,10 @@ FEATURES:
   (https://bugzilla.mozilla.org/show_bug.cgi?id=395739 could help)
 7 use ctrl-n/p in insert mode for word completion
 7 implement QuickFix window based on ItemList
-7 [ctrl-o/i] to Go back to a Previous Position (done partly, however currenty does not use a per tab jumplist)
-7 whereever possible: get rid of dialogs and ask console-like dialog questions
+7 [ctrl-o/i] to Go back to a Previous Position (done partly, however currently does not use a per tab jumplist)
+7 wherever possible: get rid of dialogs and ask console-like dialog questions
   or write error prompts directly on the webpage or with :echo()
-7 [d could go to the last domain in the history stack. so if i browse from
+7 [d could go to the last domain in the history stack. So if I browse from
   google to another page and click 10 links there, [d would take me back to the google page
   opera's fast forward does something like this
 7 make an option to disable session saving by default when you close Firefox

content/liberator.js

@@ -287,19 +287,7 @@ const liberator = (function () //{{{
 
         commands.add(["exu[sage]"],
             "List all Ex commands with a short description",
-            function (args, special)
-            {
-                if (!special)
-                {
-                    liberator.help("ex-cmd-index");
-                }
-                else
-                {
-                    // TODO: clicking on these should open the help
-                    var usage = template.usage(commands);
-                    liberator.echo(usage, commandline.FORCE_MULTILINE);
-                }
-            },
+            function (args, special) { showHelpIndex("ex-cmd-index", commands, special); },
             {
                 argCount: "0",
                 bang: true
@@ -364,19 +352,7 @@ const liberator = (function () //{{{
 
         commands.add(["optionu[sage]"],
             "List all options with a short description",
-            function (args, special)
-            {
-                if (!special)
-                {
-                    liberator.help("option-index");
-                }
-                else
-                {
-                    // TODO: clicking on these should open the help
-                    var usage = template.usage(options);
-                    liberator.echo(usage, commandline.FORCE_MULTILINE);
-                }
-            },
+            function (args, special) { showHelpIndex("option-index", options, special); },
             {
                 argCount: "0",
                 bang: true
@@ -513,19 +489,7 @@ const liberator = (function () //{{{
 
         commands.add(["viu[sage]"],
             "List all mappings with a short description",
-            function (args, special)
-            {
-                if (!special)
-                {
-                    liberator.help("normal-index");
-                }
-                else
-                {
-                    // TODO: clicking on these should open the help
-                    var usage = template.usage(mappings);
-                    liberator.echo(usage, commandline.FORCE_MULTILINE);
-                }
-            },
+            function (args, special) { showHelpIndex("normal-index", mappings, special); },
             {
                 argCount: "0",
                 bang: true
@@ -549,6 +513,7 @@ const liberator = (function () //{{{
         }
     }
 
+    // return the platform normalised to Vim values
     function getPlatformFeature()
     {
         let platform = navigator.platform;
@@ -556,6 +521,15 @@ const liberator = (function () //{{{
         return /^Mac/.test(platform) ? "MacUnix" : platform == "Win32" ? "Win32" : "Unix";
     }
 
+    // show a usage index either in the MOW or as a full help page
+    function showHelpIndex(tag, items, inMow)
+    {
+        if (inMow)
+            liberator.echo(template.usage(items), commandline.FORCE_MULTILINE);
+        else
+            liberator.help(tag);
+    }
+
     /////////////////////////////////////////////////////////////////////////////}}}
     ////////////////////// PUBLIC SECTION //////////////////////////////////////////
     /////////////////////////////////////////////////////////////////////////////{{{

locale/en-US/index.txt

@@ -90,6 +90,7 @@ section:Normal{nbsp}mode[normal-index]
 ||[[|| Follow the link labeled \'prev', \'previous' or \'<' if it exists +
 
 ||g$|| Go to the last tab +
+||g.|| Redisplay the last command output +
 ||g0|| Go to the first tab +
 ||g<C-g>|| Print file information +
 ||gB|| Repeat last :buffer[!] command in reverse direction +
@@ -163,6 +164,7 @@ section:Ex{nbsp}commands[ex-cmd-index,:index]
 ||:delmacros|| Delete macros +
 ||:delmarks|| Delete the specified marks +
 ||:delqmarks|| Delete the specified QuickMarks +
+||:delstyle|| Delete any matching styles +
 ||:dialog|| Open a undefined dialog +
 ||:doautoall|| Apply the autocommands matching the specified URL to all buffers +
 ||:doautocmd|| Apply the autocommands matching the specified URL to the current buffer +
@@ -195,11 +197,13 @@ section:Ex{nbsp}commands[ex-cmd-index,:index]
 ||:mapclear|| Remove all mappings +
 ||:mark|| Mark current location within the web page +
 ||:marks|| Show all location marks of current web page +
+||:messages|| Display previously given messages + 
 ||:mkvimperatorrc|| Write current key mappings and changed options to the config file +
 ||:nohlsearch|| Remove the search highlighting +
 ||:noremap|| Map a key sequence without remapping keys +
 ||:normal|| Execute Normal mode commands +
 ||:open|| Open one or more URLs in the current tab +
+||:optionusage|| List all options with a short description +
 ||:pageinfo|| Show various page information +
 ||:pagestyle|| Select the author style sheet to apply +
 ||:play|| Replay a recorded macro +

locale/en-US/message.txt

@@ -12,8 +12,8 @@ Display previously given messages.
 ________________________________________________________________________________
 
 
-|gm| +
-||gm||
+|g.| +
+||g.||
 ________________________________________________________________________________
 Redisplay the last command output. Only the most recent command's output is
 available.