Other tools offering this option:
- Byword (mac app) offers this functionality according to this review.
- WriteMonkey has a built-in (and nearly undocumented) option for smart quotes: typing
CTRL+SHIFT+' turns it on or off. Auto-replacements for dashes and ellipses can be supported by copying and pasting these characters into the Replacements tab in the preferences.
- You have to remember to turn this setting on every time you start the program.