Double Sentence Spacing

When doubleSentenceSpacing is set to true, lines that end in a ., ? or ! character have an extra space added.

doubleSentenceSpacing: false

Text.             ¦      ->      Text. Text Text.  ¦
Text              ¦
Text.             ¦

doubleSentenceSpacing: true

Text.             ¦      ->      Text.  Text Text. ¦
Text              ¦
Text.             ¦

Text!             ¦      ->      Text!  Text Text! ¦
Text              ¦
Text!             ¦

Text?             ¦      ->      Text?  Text Text? ¦
Text              ¦
Text?             ¦