Library /sys$common/syshlp/edthelp.hlb CHANGE, SUBCOMMANDS, CHGL  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 The CHGL command forces every letter in the specified range to
 lowercase.

 Format: [+|-][count]CHGL[+|-][count][+|-]entity

 CHGLSR has the same special contingencies as CHGCSR.