Notes for qtx11extras-opensource-src - reproducible builds result

Version annotated: 5.3.2-2
Identified issues:
Identifier: randomness_in_qdoc
Description Non-deterministic order of and elements in XML. See
https://sources.debian.net/src/qtbase-opensource-src/latest/src/tools/qdoc/helpprojectwriter.cpp/?hl=630#L787
etc.
Comments: Build paths in /usr/share/qt5/doc/qtx11extras/qtx11extras.index.
 

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