* Add flag for enabling insert symbols feature
* Add symbols overlay directory
* Detect if :xy is inserted into editable
* Allow naive updating of overlay, and special handling of ':'
* First step towards better Virtual Element support
* Update floating to reference range on insert text
* Position SymbolsOverlay always on top or bottom
* Add a data-provider to emulate API
* Show correct suggestions in symbols overlay
* Rename to replacementLength
* Allow replacing via clicking in menu
* Optionally remove inline padding of Popover
* Hide Symbols overlay on blur of content editable
* Add specialKey to inputHandler and generalize how arrow movement is detected
- This way macOS users can use Ctrl-N to mean down, etc.
* Detect special key from within SymbolsOverlay
* Implement full backwards search while typing
* Allow navigating symbol menu and accepting with enter
* Add some entries to data-provider
* Satisfy eslint
* Generate symbolsTable from sources
* Use other github source, allow multiple names
In return, symbol must be unique
* Automatically scroll in symbols dropdown
* Use from npm packages rather than downloading from URL
* Remove console.log
* Remove print
* Add pointerDown event to input-handler
- so that SymbolsOverlay can reset on field click
* Make tab do the same as enter
* Make font a bit smaller but increase relative icon size
* Satisfy type requirement of handlerlist
* Revert changing default size of DropdownItems
* Remove some now unused code for bootstrap dropdowns
