D27512: README.md: fix example code & code markup

[Christoph Cullmann]

cullmann accepted this revision.
This revision is now accepted and ready to land.

REPOSITORY
  R39 KTextEditor

BRANCH
  fixreadme

REVISION DETAIL
  https://phabricator.kde.org/D27512

To: kossebau, #kate, cullmann
Cc: kwrite-devel, kde-frameworks-devel, rrosch, LeGast00n, cblack, GB_2, domson, michaelh, ngraham, bruns, demsking, cullmann, sars, dhaumann
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/kwrite-devel/attachments/20200219/5a656200/attachment.html>