Don't compute new word candidates when appending special characters to preedit
Don't compute new word candidates when appending special characters to preedit

RevBy: Jon Nordby

Our current word engine backends return garbage if we feed them a preedit that
ends with "." or other punctuation marks. So we only compute new word
candidates when appending letters or numbers.

This work was done by Openismus GmbH for Canonical Ltd

RHawkeyed/plugins,RHawkeyed/plugins,maliit/plugins,develersrl/maliit-demo-qml,RHawkeyed/plugins,RHawkeyed/plugins,maliit/plugins,KDE/plasma-maliit-plugins,develersrl/maliit-demo-qml,KDE/plasma-maliit-plugins,RHawkeyed/plugins,KDE/plasma-maliit-plugins,develersrl/maliit-demo-qml,KDE/plasma-maliit-plugins,maliit/plugins,maliit/plugins,develersrl/maliit-demo-qml