CPlusPlus: Fix parsing of <: :> <% %> %: digraphs
CPlusPlus: Fix parsing of <: :> <% %> %: digraphs

See 2.5/2.12. Most useful feature ever.

Change-Id: I3f92256733e15078df56205dba9746ffff8ed145
Reviewed-by: Erik Verbruggen <5edfe905d082749f2ac3f4e6b42937f39f083771@digia.com>
Reviewed-by: Nikolai Kosjar <9571db158ca61a0d070db010803474231fa0cbab@digia.com>

richardmg/qtcreator,Distrotech/qtcreator,danimo/qt-creator,danimo/qt-creator,farseerri/git_code,farseerri/git_code,omniacreator/qtcreator,omniacreator/qtcreator,farseerri/git_code,richardmg/qtcreator,martyone/sailfish-qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,AltarBeastiful/qt-creator,richardmg/qtcreator,amyvmiwei/qt-creator,colede/qtcreator,xianian/qt-creator,AltarBeastiful/qt-creator,darksylinc/qt-creator,Distrotech/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,amyvmiwei/qt-creator,darksylinc/qt-creator,farseerri/git_code,Distrotech/qtcreator,xianian/qt-creator,danimo/qt-creator,omniacreator/qtcreator,colede/qtcreator,farseerri/git_code,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,colede/qtcreator,Distrotech/qtcreator,darksylinc/qt-creator,amyvmiwei/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,kuba1/qtcreator,maui-packages/qt-creator,danimo/qt-creator,colede/qtcreator,amyvmiwei/qt-creator,xianian/qt-creator,amyvmiwei/qt-creator,farseerri/git_code,omniacreator/qtcreator,colede/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,AltarBeastiful/qt-creator,danimo/qt-creator,Distrotech/qtcreator,danimo/qt-creator,xianian/qt-creator,kuba1/qtcreator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,Distrotech/qtcreator,amyvmiwei/qt-creator,martyone/sailfish-qtcreator,martyone/sailfish-qtcreator,maui-packages/qt-creator,omniacreator/qtcreator,danimo/qt-creator,martyone/sailfish-qtcreator,farseerri/git_code,kuba1/qtcreator,darksylinc/qt-creator,maui-packages/qt-creator,kuba1/qtcreator,richardmg/qtcreator,maui-packages/qt-creator,darksylinc/qt-creator,martyone/sailfish-qtcreator,kuba1/qtcreator,darksylinc/qt-creator,colede/qtcreator,farseerri/git_code,AltarBeastiful/qt-creator,richardmg/qtcreator,darksylinc/qt-creator,AltarBeastiful/qt-creator,colede/qtcreator,AltarBeastiful/qt-creator,xianian/qt-creator,kuba1/qtcreator,xianian/qt-creator,omniacreator/qtcreator,omniacreator/qtcreator,amyvmiwei/qt-creator,maui-packages/qt-creator,darksylinc/qt-creator,richardmg/qtcreator,richardmg/qtcreator,danimo/qt-creator,xianian/qt-creator,Distrotech/qtcreator