This file is indexed.

/usr/share/bug/libsox-dev/presubj is in libsox-dev 14.4.2-3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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If the bug you are about to report is not Debian specific, please
consider reporting it to the upstream developers at:
sox-devel@lists.sourceforge.net