[SL] Entry of UTF8 data

[Bob G. <bo...@rc...>]

In file SL/Form.pm line 126, if you change

  $str =~ s/%([0-9a-fA-Z]{2})/pack("c",hex($1))/eg;

to

  $str =~ s/%([0-9a-fA-Z]{2})/pack("U",hex($1))/eg;

It seems to work better if your data is in UTF8 form.

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I see this change is already in the 'new' sql-ledger 2.8.5 in the download directory (along with many more changes!)