qscintilla from home:steffens:branches:Application:Geo:qgis project
Select Your Operating System
Add repository and install manually
For SLE 12 SP3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:steffens:branches:Application:Geo:qgis/SLE_12_SP3/home:steffens:branches:Application:Geo:qgis.repo zypper refresh zypper install qscintilla