Adds setRangeText to the multiline-editor to replace a range of text and selection in one transaction. The method matches the behavior of HTMLInputElement.setRangeText(). Differential Revision: https://phabricator.services.mozilla.com/D309380
Adds setRangeText to the multiline-editor to replace a range of text and selection in one transaction. The method matches the behavior of HTMLInputElement.setRangeText(). Differential Revision: https://phabricator.services.mozilla.com/D309380