tdf#138458 add explanation of "Save Preview Image..." in File > Properties-General
Change-Id: I08f7d94c61262d51f3deb128becb4544a4fa7064
Reviewed-on: https://gerrit.libreoffice.org/c/help/+/106518
Tested-by: Jenkins
Reviewed-by: Seth Chaiklin <sdc.blanco@youmail.dk>
diff --git a/source/text/shared/01/01100200.xhp b/source/text/shared/01/01100200.xhp
index 001816e..15aa5f3 100644
--- a/source/text/shared/01/01100200.xhp
+++ b/source/text/shared/01/01100200.xhp
@@ -76,6 +76,8 @@
<h2 id="hd_id3154046" xml-lang="en-US">Reset Properties</h2>
<paragraph role="paragraph" id="par_id3152349" xml-lang="en-US"><ahelp hid="sfx/ui/documentinfopage/reset">Resets the editing time to zero, the creation date to the current date and time, and the version number to 1. The modification and printing dates are also deleted.</ahelp></paragraph>
<h2 id="hd_id101602069139228">Save preview image with this document</h2>
<paragraph role="paragraph" id="par_id401602069161507"></paragraph>
<paragraph role="paragraph" id="par_id171606265050158">Saves a thumbnail preview .png inside the document. This image may be used by a file manager under certain conditions.</paragraph>
<tip id="par_id231606265075565">If you want to disable generating thumbnails in general, then choose
<menuitem>Tools > Options > LibreOffice > Advanced</menuitem>. Click the <widget>Open Expert Configuration</widget> button, and search for <emph>GenerateThumbnail</emph>. If this property has the value <literal>true</literal>, then double-click on it to set its value to <literal>false</literal>.</tip>
</body>
</helpdocument>
