[Bug]: Single line breaks within a paragraph in MarkDown are remove instead of replaced by a space

[linawolf]

Summary

When you break a paragraph into multiple lines as shown bellow you expect there will be a whitespace in place of the linebreak

Code snippet that reproduces the problem

Powermail is a well-known, editor-friendly, powerful
and easy to use mailform extension for TYPO3 with a lots of features
(spam prevention, marketing information, optin, ajax submit, diagram analysis, etc...)

Expected output

Powermail is a well-known, editor-friendly, powerful and easy to use mailform extension for TYPO3 with a lots of features (spam prevention, marketing information, optin, ajax submit, diagram analysis, etc...)