* parserlib: fast section extraction, tweaks and speedups
* csslint: "simple-not" rule
* csslint: enable and fix "selector-newline" rule
* simplify db: resolve with result
* simplify download()
* remove noCode param as it wastes more time/memory on copying
* styleManager: switch style<->data names to reflect their actual contents
* inline method bodies to avoid indirection and enable better autocomplete/hint/jump support in IDE
* upgrade getEventKeyName to handle mouse clicks
* don't trust location.href as it hides text fragment
* getAllKeys is implemented since Chrome48, FF44
* allow recoverable css errors + async'ify usercss.js
* openManage: unminimize windows
* remove the obsolete Chrome pre-65 workaround
* fix temporal dead zone in apply.js
* ff bug workaround for simple editor window
* consistent window scrolling in scrollToEditor and jumpToPos
* rework waitForSelector and collapsible <details>
* blank paint frame workaround for new Chrome
* extract stuff from edit.js and load on demand
* simplify regexpTester::isShown
* move MozDocMapper to sections-util.js
* extract fitSelectBox()
* initialize router earlier
* use helpPopup.close()
* fix autofocus in popups, follow-up to 5bb1b5ef
* clone objects in prefs.get() + cosmetics
* reuse getAll result for INC
* add Patch CSP option
* show style version, size, and update age in manager
* add scope selector to style search in manager
* keep scroll position and selections in tab's session
* directly install usercss from raw github links
* ditch localStorage, use on-demand SessionStore proxy
* simplify localization
* allow <code> tag in i18n-html
* keep nodes in HTML templates
* API.getAllStyles is actually faster with code untouched
* fix fitToContent when applies-to is taller than window
* dedupe linter.enableForEditor calls
* prioritize visible CMs in refreshOnViewListener
* don't scroll to last style on editing a new one
* delay colorview for invisible CMs
* eslint comma-dangle error + autofix files
* styleViaXhr: also toggle for disableAll pref
* styleViaXhr: allow cookies for sandbox CSP
* simplify notes in options
* simplify getStylesViaXhr
* oldUI fixups:
* remove separator before 1st applies-to
* center name bubbles
* fix updateToc focus on a newly added section
* fix fitToContent when cloning section
* remove CSS `contain` as it makes no difference
* replace overrides with declarative CSS + code cosmetics
* simplify adjustWidth and make it work in FF
* import options on demand
* auto-grant declarativeContent
* include lint configs and usercss template
* simplify exportFile as crbug.com/798705 was fixed
* section labels, TOC, speedups and fixes
* show section numbers in widgets
* debounce livePreview in usercss editor
* better fixed header and compact layout compatibility
* fix section sizing for compact layout + layout speedup
* DocFuncMapper + cosmetics + fix Clone button
* don't run linter during initSections
* remove unused/unnecessary DOM polyfills
* report invalid @document function as parser error
* rewrite section finder
* simplify focusedViaClick
* simplify setPreprocessor and make it synchronous
* throttle offscreen line widgets in usercss with lots of sections
* add on, off aliases for add/removeEventListener + onOff
* use on/off aliases in changed files
* use getters in more places
* don't run web-ext test as it fails on Chrome-only permissions
* generate stylus-firefox.zip without declarativeContent
* limit note's width in options
* run updateExposeIframes only in frames
* also apply live-preview if an unsaved style was disabled
* use box-shadow instead of outline for focus everywhere
* allow focus outline on click in text/search input or textarea
* search inputs should use the same style as text inputs
* also use box-shadow focus on delete buttons
* remove URLSearchParams workaround, not needed since Chrome 55
* use `once` in addEventListener, available since Chrome 55
* update USO bug workarounds, remove obsolete ones
* ping/pong to fix openURL with `message` in FF
* use unprefixed CSS filter, available since Chrome 53
* use unprefixed CSS user-select, available since Chrome 54
* focus tweaks
* also use text query in inline search for Stylus category
* use event.key, available since Chrome 51
Co-authored-by: narcolepticinsomniac
