pp.links handles unit.star badly

[eric-wieser]

Prerequisites

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  • Reduced the issue to a self-contained, reproducible test case.

Description

unit.star is doubly linked, which breaks formatting in doc-gen.
This is a regression from #778.

Steps to Reproduce

set_option pp.links true

-- unit.starunit.star()
run_cmd tactic.pp `(()) >>= tactic.trace

Expected behavior: unit.star()

Actual behavior: unit.starunit.star()

Reproduces how often: 100%

Versions

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Additional Information

Any additional information, configuration or data that might be necessary to reproduce the issue.