/usr/share/fpcsrc/2.6.2/packages/fcl-registry/ is in fpc-source-2.6.2 2.6.2-8.
This file is owned by root:root, with mode 0o755.
..
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/Makefile.fpc
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/Package.fpc
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/fpmake.pp
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/src/
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/src/regdef.inc
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/src/regini.inc
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/src/registry.pp
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/src/winreg.inc
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/src/xmlreg.pp
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/src/xregreg.inc
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/tests/
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/tests/Makefile.fpc
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/tests/regtestframework.pp
/usr/share/fpcsrc/2.6.2/packages/fcl-registry/tests/testbasics.pp