text_combined: demerphq oryiufjngmailcom 10307 robin barker wrote could implemented bit 0x01000000 h hv_string_ok clearer solution obtrusive would introduce separate warning category portable_vstring c would implicit c c implicit c well technically solutions equivalent h one avoids using bit warning bit vector tried implement h approach could work setget h c code way actually achieved right effect look regcomp pregcomp think find code gets h setting c havent done yves perl mredebug e justanotherperlhacker wed 06 aug 2008 024803 0200 patch use 5010 ugly use 5100 warns