Remove extraneous newlines from guc_parameters.dat

Fix NLS for incorrect GUC enum value hint message

Clean up qsort comparison function for GUC entries

Sort guc_parameters.dat alphabetically by name

Reorganize GUC structs

Revert "Replace pg_restrict by standard restrict"

Replace pg_restrict by standard restrict

Remove meaninglist restrict qualifiers

Fix "inconsistent DLL linkage" warning on Windows MSVC

MSVC: Improve warning options set

formatting.c cleanup: Change fill_str() return type to void

formatting.c cleanup: Rename DCH_S_* to DCH_SUFFIX_*

formatting.c cleanup: Change several int fields to enums

formatting.c cleanup: Change TmFromChar.clock field to bool

formatting.c cleanup: Improve formatting of some struct declarations