Notes for libpqxx - reproducible builds result

Version annotated: 4.0.1+dfsg-5
Identified issues:
Identifier: different_encoding_in_html_by_docbook_xsl
Description Docbook XSL can vary the encoding it uses depending on locale.
 

Our notes about issues affecting packages are stored in notes.git and are targeted at packages in Debian in 'unstable/amd64' (unless they say otherwise).