Quanta's VPL editor don't handle accents

[Alexis PM]

Package: quanta
Version: 4:3.5.9-3
Severity: normal

-- System Information:

Debian Release: 5.0.1

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In the VPL editor, the accents are not handle right.
Examples: I write "á é í ó ú", but in the VPL editor appear "´a ´e ´i ´o ´u". 
The HTML codification (charset= utf8, ISO-8859,...) not affect this.

Thanks