conditionally omitted ctor taking an array ref for VC6
added 'using ::time_t' in namespace std for broken std libs
workarounds for std libs without allocator::rebind
added VC6 to list of compilers with broken overload res
removed stuff about back_inserter; reformatted
VC6 workaround
removed return statement in void function
added DEDUCED_TYPENAME; fixed io_char for compilers without partial spec
removed obsolete files
fixed template argument deduction problem
removed tests for broken component
eliminated non-standard flag MAP_FILE in fourth arg to mmap
fixed line-endings(?)
removed return statement from function returning void
updated to avoid explicit spec of template args, for VC6
initial_commitment
switched to external codecvt traits, for old Dinkumware
removed scope_guard
rewrote to allow customization by specializing xxx_impl templates
added is_piper metafunction for VC6-7.0