Extended functions The extended functions available for working with HTML content. Table 1. Extended functions Icon TinyMCE v4 Icon Name Description Insert/Edit Link Configures a link for the selected text. Define the link URL, title (additional information that appears in the tool tip), and the target (same window or new window or tab). Code reference: <a> Remove link* Removes the current hyperlink. Cleanup Messy Code* Fixes standard HTML errors for the selected text, such as invalid tags. Note that clicking this button may change the layout of existing content. You can click Undo to revert this action if you do not like the results. Edit HTML Source Opens HTML source code in a separate window. See Editing in HTML Source Mode. Insert Horizontal Line Inserts a horizontal line at the current location. Toggle Invisible Elements* Shows or hides invisible elements in the article, such as collapsed table borders. Insert Special Character* Inserts a special character (symbol) at the current cursor location. Click the button to view a list of available characters. Point to a character to view the name and HTML code. Click a character to insert it. Insert/Edit Image Inserts an image from the image library or an attachment. You can also add images to the image library with this feature. To learn more, see Embedding Images in HTML Fields. Insert/Edit Embedded Media Embeds a video from the video library or an attachment. You can also add videos to the video library with this feature. Due to browser plugin constraints, embedding videos is unavailable in this version. Attach videos instead. Spell Checker Checks the spelling of text in the HTML field. Preview* Opens a preview of the HTML field in a separate window without saving changes. Toggle Full Screen Mode* Expands the HMTL field to use the full form view for easier editing. Click the button again to return to standard form view. This feature is not available for Internet Explorer. *These options are not available with htmlArea.