proper update of text perspective for nodes with changed blobs, which is important to refresh the corresponding command perspective (otherwise it might refer to invalid thy_load commands and cause full execution of the node by the prover);
#
# Author: Makarius
#
# recode.pl - recode utf8 for ML
#
for (@ARGV) {
utf8::upgrade($_);
s/([\x80-\xff])/\\${\(ord($1))}/g;
print $_, " ";
}