Stack Exchange Side-By-Side Editing

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Description:

The Stack Exchange Side-By-Side Editor (SE-SBS) adds a link to your edit toolbar to enter side-by-side editing mode. Creates a lightboxed window with just the edit text area and the markdown preview. In Chrome, the edit area will resize dynamically with the window to best fit the size.

Details:

For information, support, and questions about this script, please see its Stack Apps entry.