gf-cloud-api.html: document the new command=remake

Also improve the documentation of the responses to the upload and make
commands.

src/www/gf-cloud-api.html

@@ -8,6 +8,7 @@
 dl.api>dt, .request { background-color: #cef; }
 .response { background-color: #ffc; }
 dd { margin-top: 0.5ex; margin-bottom: 0.5ex; }
+em { color: #36f; }
 </style>
 </head>
 
@@ -107,22 +108,39 @@ For documentation of GF shell commands, see:
     The working directory is persistent, so clients are expected
     to remember and reuse it. Access to previously
     uploaded files requires that the same working directory is used.
+
   <dt><code>/parse?</code><var>path</var><code>=</code><var>source</var>
   <dd>This command can be used to check GF source code for syntax errors.
     It also converts GF source code to the JSON representation used in
     GFSE (the cloud-based GF grammar editor).
+
   <dt><code>/cloud?dir=</code>...<code>&amp;command=<strong>upload</strong>&amp;</code><var>path<sub>1</sub></var><code>=</code><var>source<sub>1</sub></var><code>&amp;</code><var>path<sub>2</sub></var><code>=</code><var>source<sub>2</sub></var><code>&amp;</code>...
   <dd>Upload files to be stored in the cloud.
-  <dt><code>/cloud?dir=</code>...<code>&amp;command=<strong>make</strong>&amp;</code><var>path<sub>1</sub></var><code>=</code><var>source<sub>1</sub></var><code>&amp;</code><var>path<sub>2</sub></var><code>=</code><var>source<sub>2</sub></var><code>&amp;</code>...
-  <dd>Upload grammar files and compile them into a PGF file.
     The response code is 204 if the upload was successful.
+
+  <dt><code>/cloud?dir=</code>...<code>&amp;command=<strong>make</strong>&amp;</code><var>path<sub>1</sub></var><code>=</code><var>source<sub>1</sub></var><code>&amp;</code><var>path<sub>2</sub></var><code>=</code><var>source<sub>2</sub></var><code>&amp;</code>...
+  <dd>Upload grammar files and compile them into a PGF file. Example response:
+    <blockquote class=response><code>
+    { "errorcode":"OK", <em>// "OK" or "Error"</em>
+    <br>  "command":"gf -s -make FoodsEng.gf FoodsSwe.gf FoodsChi.gf",
+    <br>  "output":"\n\n" <em>// Warnings and errors from GF</em>
+    <br>}</code></blockquote>
+
+  <dt><code>/cloud?dir=</code>...<code>&amp;command=<strong>remake</strong>&amp;</code><var>path<sub>1</sub></var><code>=</code><var>source<sub>1</sub></var><code>&amp;</code><var>path<sub>2</sub></var><code>=</code><var>source<sub>2</sub></var><code>&amp;</code>...
+  <dd>Like <code>command=<strong>remake</strong></code>, except you can leave
+    the <var>source<sub>i</sub></var> parts empty to reuse previously uploaded
+    files.
+
   <dt><code>/cloud?dir=</code>...<code>&amp;command=<strong>download</strong>&amp;file=</code><var>path</var>
   <dd>Download the specified file.
+
   <dt><code>/cloud?dir=</code>...<code>&amp;command=<strong>ls</strong>&amp;ext=.pgf</code>
   <dd>List files with the specified extension, e.g.
     <code class=response>["Foods.pgf","Letter.pgf"]</code>.
+
   <dt><code>/cloud?dir=</code>...<code>&amp;command=<strong>rm</strong>&amp;file=</code><var>path</var>
   <dd>Remove the specified file.
+
   <dt><code>/cloud?dir=</code>...<code>&amp;command=<strong>link_directories</strong>&newdir=</code>...
   <dd>Combine server directores. This is used by GFSE to share grammars
     between multiple devices.
@@ -131,7 +149,7 @@ For documentation of GF shell commands, see:
 <hr>
 <address></address>
 <div class=modtime><small>
-<!-- hhmts start -->Last modified: Tue Oct  2 17:26:02 CEST 2012 <!-- hhmts end -->
+<!-- hhmts start -->Last modified: Tue Oct 23 23:16:26 CEST 2012 <!-- hhmts end -->
   </small></div>
 <address>
 <a href="http://www.cse.chalmers.se/~hallgren/">TH</a>