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diff --git a/app/assets/javascripts/behaviors/quick_submit.js.coffee b/app/assets/javascripts/behaviors/quick_submit.js.coffee
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+# Quick Submit behavior
+#
+# When an input field with the `js-quick-submit` class receives a "Meta+Enter"
+# (Mac) or "Ctrl+Enter" (Linux/Windows) key combination, its parent form is
+# submitted.
+#
+#= require extensions/jquery
+#
+# ### Example Markup
+#
+# <form action="/foo">
+# <input type="text" class="js-quick-submit" />
+# <textarea class="js-quick-submit"></textarea>
+# </form>
+#
+$(document).on 'keydown.quick_submit', '.js-quick-submit', (e) ->
+ return if e.repeat
+ return unless e.keyCode == 13 # Enter
+
+ if navigator.userAgent.match(/Macintosh/)
+ return unless (e.metaKey && !e.altKey && !e.ctrlKey && !e.shiftKey)
+ else
+ return unless (e.ctrlKey && !e.altKey && !e.metaKey && !e.shiftKey)
+
+ e.preventDefault()
+
+ $form = $(e.target).closest('form')
+ $form.find('input[type=submit], button[type=submit]').disable()
+ $form.submit()