Added missing "Is" in front of the "MusicalSymbols" regex group
Added missing "Is" in front of the "MusicalSymbols" regex group

git-svn-id: 3ec853389310512053d525963cab269c063bb453@671986 13f79535-47bb-0310-9956-ffa450edef68

colorer/xerces-c,ctapmex/xerces-c,colorer/xerces-c,Distrotech/xerces-c,colorer/xerces-c,Distrotech/xerces-c,Distrotech/xerces-c,colorer/xerces-c,Distrotech/xerces-c,Distrotech/xerces-c,ctapmex/xerces-c,colorer/xerces-c,ctapmex/xerces-c,ctapmex/xerces-c