Commit 62836490 authored by Alexandre Duret-Lutz's avatar Alexandre Duret-Lutz

dot: add option 'g'

* spot/twaalgos/dot.cc: Implement support for hidding labels.
* tests/core/readsave.test: Test it.
* bin/common_aoutput.cc: Add --help text.
* NEWS: Mention it.
parent 8aafe74a
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