improve exporting documentation:
authortg <tg@mirbsd.org>
Mon, 16 Apr 2018 00:32:35 +0000 (00:32 +0000)
committertg <tg@mirbsd.org>
Mon, 16 Apr 2018 00:32:35 +0000 (00:32 +0000)
commitd10c196cf1a425afe73f2ea7e9a4b68b48fd00be
tree832dec13651ac8c2daf380a319d4c1499fa184f5
parent99f6aae983a04bf65c5fe6809f51dab2f1d50c21
improve exporting documentation:

• reference “shellshock” of GNU bash for exporting functions
• mention we don’t export arrays (just their "0" members) as
  ksh93 and GNU bash don’t do it either, the latter documen‐
  ting it even
mksh.1