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pkg debug/elf, const EI_OSABI ideal-int
pkg debug/elf, const EI_PAD ideal-int
pkg debug/elf, const EI_VERSION ideal-int
pkg debug/elf, const ELFCLASS32 Class
pkg debug/elf, const ELFCLASS64 Class
pkg debug/elf, const ELFCLASSNONE Class
pkg debug/elf, const ELFDATA2LSB Data
pkg debug/elf, const ELFDATA2MSB Data
pkg debug/elf, const ELFDATANONE Data
pkg debug/elf, const ELFMAG ideal-string

pkg regexp/syntax, const EmptyWordBoundary = 16
pkg regexp/syntax, const ErrInternalError = "regexp/syntax: internal error"
pkg regexp/syntax, const ErrInvalidCharClass = "invalid character class"
pkg regexp/syntax, const ErrInvalidCharRange = "invalid character class range"
pkg regexp/syntax, const ErrInvalidEscape = "invalid escape sequence"
pkg regexp/syntax, const ErrInvalidNamedCapture = "invalid named capture"