Outline Sidebar автор Francesco De Stefano

Outline is a Firefox WebExtension that outlines the page.
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- Open source project - https://sourceforge.net/projects/outline-sidebar/
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It generates a table of contents by extracting all the headings in the page. Automatically creates table of contents in the sidebar that can be clicked through, for easy document navigation.

How to use
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1. Click the Outline button beside your address bar to activate it. You will see a box coming from left with the outline in it.
2. Click on any of the headings in the outline to jump to the corresponding section on the page.
3. Click the cross button on the bottom left to close the outline.

### Limitations
- WebExtension only works on sites that allow content scripts.