#! /bin/sh

# invoke mlterm in UTF-8 mode with suitable options
# and set environment variables

#############################################################################
# Font selection
font="-w 20"

#############################################################################
# Configure environment for UTF-8

# If the effective locale variable (defined and "non-null" environment 
# variable in the order of precedence LC_ALL, LC_CTYPE, LANG) 
# already indicates UTF-8, nothing needs to be modified.
# Otherwise the first of these variables that is defined and "non-null" 
# needs to be manipulated to have the suffix ".UTF-8".
case "${LC_ALL:-${LC_CTYPE:-$LANG}}" in
*.UTF-8 | *.utf8)	true;;
*)	def=en_US	# .UTF-8 locale most likely to be installed at least
	case "${LC_ALL:-null}" in
	"$LC_ALL")	LC_ALL=`echo ${LC_ALL:-$def} | sed -e "s,[.@].*,,"`.UTF-8
			export LC_ALL;;
	*)	case "${LC_CTYPE:-null}" in
		"$LC_CTYPE")	LC_CTYPE=`echo ${LC_CTYPE:-$def} | sed -e "s,[.@].*,,"`.UTF-8
				export LC_CTYPE;;
		*)	case "${LANG:-null}" in
			"$LANG")	LANG=`echo ${LANG:-$def} | sed -e "s,[.@].*,,"`.UTF-8
					export LANG;;
			*)	LC_CTYPE=$def.UTF-8
				export LC_CTYPE;;
			esac
		esac
	esac
esac
#echo LC_ALL=${LC_ALL-<undefined>}, LC_CTYPE=${LC_CTYPE-<undefined>}, LANG=${LANG-<undefined>}

#############################################################################
# Further mlterm options for full Unicode support, true by default:
# -m -Z -D

exec mlterm -E utf8 -k esc -Y $font $*