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Blogger Default Markup Overview
September 30, 2025
2025
September
30
01:24 AM
<b:defaultmarkups> is for defining reusable HTML code or a default placeholder for widget data.
🎯 Reusable HTML Code
How to:
<b:defaultmarkups>
<b:defaultmarkup type='Common'>
<b:includable id='defaultMessage'>
Your message goes here.
</b:includable>
</b:defaultmarkup>
</b:defaultmarkups>Usage:
<b:include name='defaultMessage'/>🔷 Passing Data
Example:
<b:defaultmarkups>
<b:defaultmarkup type='Common'>
<b:includable id='@messages'>
<b:switch var='data:type'>
<b:case value='default'/>Your message goes here.
<b:case value='update-notice'/>Blog under maintenance.
</b:switch>
</b:includable>
</b:defaultmarkup>
</b:defaultmarkups>
<b:include name='@messages' data='{ type: "default" }'/>
<b:include name='@messages' data='{ type: "update-notice" }'/>🎯 Default Widget Placeholder
Any newly added widget will takes the code form default markup of the same widget type. You can update existing widget to use the default markup by reverting the widget. Reverting a widget will reset any HTML changes in the widget tag. The widget settings will not be affected.
Example:
<b:section id="main">
<b:widget type="Blog" id="Blog1" locked="false" version="2"></b:widget>
</b:section>
<b:defaultmarkups>
<!-- # Blog_widget -->
<b:defaultmarkup type="Blog">
<b:includable id="main" var="this">
My custom Blog widget content.
</b:includable>
</b:defaultmarkup>
</b:defaultmarkups>
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