minor feature: Atom/atom#15270 - measuring lines in presence of pending autoscroll requests. Atom/atom#15265 - Work around incorrect data on compositionupdate events in Chrome 56. Atom/atom#15275 - Use default cursor on dummy scrollbars and make them 15px wide/tall. Atom/atom#15273 - Don't throw an error when setting an incredibly small lineHeight. Atom/atom#15266 - Suppress composition events default prevented on previous keydown. Atom/atom#15285 - IME composition preview for new editors. Atom/atom#15299 - Ignore clicks on block decorations. Atom/atom#15296 - Prompt user only once when quitting/restarting and canceling save dialog. Atom/bracket-matcher#296 - Update to latest atom/ci version. Atom/bracket-matcher#294 - Add support for code embedded in strings. Atom/bracket-matcher#262 - reverse brace/bracket matching. Atom/bracket-matcher#257 - Recognize self-closing tags. Atom/bracket-matcher#257 - Recognize self-closing tags. Atom/bracket-matcher#301 - Match the exact tag name when looking for closing tags. Atom/bracket-matcher#302 - Skip over tag attributes when selecting inside tags. Atom/bracket-matcher#302 - Skip over tag attributes when selecting inside tags. Atom/bracket-matcher#308 - Guard against null tokenizedLineForRow. Atom/language-css#112 - valid identifier/identified error highlighting. Atom/language-css#112 - valid identifier/identified error highlighting. Atom/language-css#113 - Revert " Atom/language-css#117 - Add support for the fr unit. Atom/language-css#118 - adds semicolon to end of @import snippet. Atom/language-css#119 - Eliminate catastrophic backtracking that hangs Atom.