OPML File Documentation
Overview
Feature | Value |
---|---|
File Extension | .opml |
MIME Type | text/x-opml |
Developed by | UserLand Software |
Format Type | XML |
Primary Use | Outlining |
Character Encoding | UTF-8 |
Root Element | <opml version="2.0"> |
Main Child Element | <body> |
Version Attribute | Yes |
Outline Element | <outline> |
Attributes of <outline> |
text, type, isBreakpoint, etc. |
Head Section | For metadata such as title, dateCreated, ownerName |
Expanding/Collapsing | Supported via attributes |
Compatibility | Widely supported by outlining, content management, and feed reader software |
Usage Examples | RSS feed lists, project plans, organization charts |
Nesting | Unlimited depth |
XML Declaration | Optional |
Specification URL | OPML Version 2.0 Specification |
Attachment Support | No |
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