dot: improve output to work around GraphViz bug

The related GraphViz issue is
https://gitlab.com/graphviz/graphviz/-/issues/2179

* spot/twaalgos/dot.cc: Avoid initial newline in title.
* NEWS: Mention the bug.
* tests/core/det.test, tests/core/dstar.test,
tests/core/neverclaimread.test, tests/python/automata-io.ipynb: Adjust
test cases.
This commit is contained in:
Alexandre Duret-Lutz 2022-01-11 22:19:20 +01:00
parent 78bcd9c453
commit 890423936f
6 changed files with 23 additions and 11 deletions

View file

@ -61,7 +61,7 @@
"\n",
"digraph \"\" {\n",
" rankdir=LR\n",
" label=<<br/>[Büchi]>\n",
" label=<[Büchi]>\n",
" labelloc=\"t\"\n",
" node [shape=\"circle\"]\n",
" node [style=\"filled\", fillcolor=\"#ffffaa\"]\n",