Documentation for new function to update timestamp.

diff --git a/doc/gom.html b/doc/gom.html
index 7358ad11273e62e05b16239046888715e8172035..4ab405a46e50422fdcca56d0358c7863772566b7 100644 (file)
--- a/doc/gom.html
+++ b/doc/gom.html
@@ -126,7 +126,12 @@ tags is. &nbsp;Each element of the linked list has:<br>
 This way, none of the information in the GEDCOM file is lost, even the non-standard information.<br>
 <br>
 <hr width="100%" size="2">
-<h2><a name="Other_functions"></a>Modifying the object model</h2>
+<h2><a name="Other_functions"></a>Modifying the object model</h2>Currently, there are only functions available to modify strings in the model (and the date manipulation functions described <a href="interface.html#date_value">here</a>).
+&nbsp;In principle it is possible to add new records, notes, ... yourself,
+but you have to know what you are doing, because you should keep the model
+consistent. &nbsp;In the next release, functions will be available to add,
+remove and modify anything in the model.<br>
+
 <h3><a name="Manipulating_strings"></a>Manipulating strings<br>
 </h3>
 There are some functions available to retrieve and change strings in the
@@ -175,9 +180,16 @@ the current locale); in that case the target data variable is not modified.<br>
 </h2>
 Writing the current object model to a file is simply done using the following function:<br>
 <blockquote><code>int <b>gom_write_file</b> (const char* filename, int* total_conv_fails);<br></code></blockquote>
-This writes the model to the file <code>filename</code>. &nbsp;The second parameter can return the total number of conversion failures (pass&nbsp;<code>NULL</code><code></code> if you're not interested).<br>
-<br>
-The functions in <a href="usage.html#Controlling_some_settings">this section</a> can be used before <code>gom_write_file</code> to control some settings.<br>
+This writes the model to the file <code>filename</code>. &nbsp;The second parameter can return the total number of conversion failures (pass&nbsp;<code>NULL</code><code></code> if you're not interested). &nbsp;The functions in <a href="usage.html#Controlling_some_settings">this section</a> can be used before <code>gom_write_file</code> to control some settings.<br>
+<br>
+Before you write the file, you can update the timestamp in the header using the following function:<br>
+<blockquote><code>int <b>gom_header_update_timestamp</b> (time_t tval);<br></code></blockquote>
+This sets the <code>date</code> and <code>time</code> fields of the header to the time indicated by <code>tval</code>.
+&nbsp;The function returns 0 on success, non-zero if an error occurred. &nbsp;Typically,
+the function would be used as follows, to set the current time in the timestamp:<br>
+<blockquote><code>int result;<br>
+result = gom_header_update_timestamp(time(NULL));</code><br>
+</blockquote>
 <hr width="100%" size="2"><br>
 
 <pre><font size="-1">$Id$<br>$Name$</font><br></pre>
@@ -195,4 +207,5 @@ The functions in <a href="usage.html#Controlling_some_settings">this section</a>
 <br>
 <br>
 <br>
+<br>
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