How to insert a right single quotation mark?
n the “Input Menu” tab of “International” system preference, enable “Show input menu in menu bar” (bottom of window). You can then click the flag in the menu bar to show the Character Palette. Find the special characters you want and use the tool at the lower-left to “Add to Favorites”. Click the “Favorites” tab, and leave the window open. Move it to a corner of the screen so you can still see it when other windows are open. When you want to use one of the favorites, just double-click it in the “Characters” window. It will insert it into the application you are using.