parent nodes: WpOptions

• Sync. highlighting limit
Limit of page size in bytes when to switch from synchronous highlighting (calculated after each keypress) to asynchronous highlighting (calculated in the background and shown when ready). Recommended value: 3000 to 5000 bytes

• Highlight start delay
For async. highlighting how long to wait after key press (in seconds) before starting the highlighting work in background. Recommended value: 0.2 to 0.5 seconds

• Synchronize editor by preview selection
This option provides a workaround to synchronize the scroll position in HTML preview with that in the editor.
If this option is checked, you can select some text in the preview and when switching back to the editor, the selected text will be searched by the editor and it's first occurrence highlited as selected.