Use ellipsis instead of three periods in truncatewords

[stopsatgreen]

Instead of using three periods:

...

The truncatewords & truncatewords_html filters should use an ellipsis (unicode 2026):

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[anonymous]

Ideally - it shouldn't use neither 3 dots nor ellipsis. It's up to user whether to use 3 dots, 5 dots, ellipsis or none of them.

[Russell Keith-Magee]

As noted by the anonymous commenter, the decision to use the unicode character should be up the user. However, I can't see a way to accommodate user choice that is acceptable as API (an option arg or a setting are the only options I can think of, and I don't like either). Closing wontfix.