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ltl: allow \" and \\ in double-quoted atomic propositions

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* src/ltlparse/ltlscan.ll: Adjust parser.
* src/ltlvisit/print.cc: Adjust printer.
* src/tests/ltlfilt.test: Add some tests.
* NEWS: Mention it.
This commit is contained in:
Alexandre Duret-Lutz 2015-08-18 14:55:53 +02:00
parent 47824bead6
commit 818b58ec70
4 changed files with 51 additions and 15 deletions
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4
src/ltlvisit/print.cc
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@ -418,7 +418,7 @@ namespace spot
if (kw_ == sclatex_kw || kw_ == latex_kw)
escape_latex(os_ << "``\\mathit{", str) << "}\\textrm{''}";
else if (kw_ != spin_kw)
os_ << '"' << str << '"';
escape_str(os_ << '"', str) << '"';
else if (!full_parent_)
os_ << '(' << str << ')';
else
@ -1111,7 +1111,7 @@ namespace spot
blank();
std::string str = ap->name();
if (!is_pnum(str.c_str()))
os_ << '"' << str << '"';
escape_str(os_ << '"', str) << '"';
else
os_ << str;
}