* Pass childrenSupported as a parameter to Frontend/Popup constructors
* Remove setChildrenSupported
* Use event listener instead of function override
* Update options order
* Expand options and use object for clarity
* Fix childrenSupported not being fully propagated
* Make section comments into single line comments
* Update :before/:after to be ::before/::after
* Organize and compact CSS
* Remove obsolete style
* Add padding var
* Use calc and var for layout units and common values
* Update search page styles
* Simplify expression creation
* Add attribute indicating whether the reading is the same or not
* Update kanji debug info
* Remove some unnecessary null checks
* Simplify iterable check
* Update float and search HTML to be more consistent
* Update translator to flag redundant tags instead of remove
* Update how compact tags are shown in the popup
* Pass compactTags option to note builder
* Update options templates
* Add options upgrade
* Add options upgrade test
* Update Display.setOptionsContext to update options
* Update how options context is updated in Popup
* Omit optionsContext for some _showPopupContent calls
* Remove extension unload
* Disable modifier keys in frontend's options context
* Update how text scanner passes modifiers to options context
* Update how options context is passed to display
* Update how display uses options context
* Update event order
* Update inputs
* Add type and cause to input info
* Update input info args
* Simplify arguments
* Update argument name
* Change order
* Use same selectors
* Use consistent stylesheet declaration
* Fix query parser not being cleared
* Set property upon load
* Don't focus for Enter key press
* Update search page styles
* Update indent and nodes
* Support dark style
* Add missing var
* Remove unused function
* Update expresionMulti detection
* Simplify kanji early escape
* Simplify frequency/pitch data creation
* Update implementation of _buildTermMeta
* Update how pitch accents sources are collected
* Remove old _buildTermMeta
* Create new SelectorObserver class
* Update DOMDataBinder to use SelectorObserver
* Update names to be more clear
* Remove attributeOldValue parameter, clarify attributes parameter
* Add documentation
* Rename TemplateHandler to HtmlTemplateCollection
* Rename _templateHandler to _templates
* Allow creation from both string and element
* Simplify setup of templates, don't throw errors on invalid ID
* Add abstraction: _getDefinitionPrimaryExpressionAndReading
* Reuse existing definitions in a sequence
* Revert change to related definition source/rawSource/sourceTerm
* Update _getDefinitionPrimaryExpressionAndReading to return best match