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Support the PSL syntax [*1:inf], as a synonym for [*1:].

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* src/ltlparse/ltlscan.ll: Parse "inf" as OP_UNBOUNDED.
* src/ltltest/equals.test: Add some tests.
* doc/tl/tl.tex: Document it.
This commit is contained in:
Alexandre Duret-Lutz 2011-12-07 17:02:05 +01:00
parent d0a8e6d6f5
commit dd52768932
3 changed files with 12 additions and 10 deletions
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11
doc/tl/tl.tex
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@ -10,9 +10,8 @@
\usepackage{url}
\usepackage{xspace}
\usepackage{dsfont}
\usepackage{mathabx}
\usepackage{mathabx} % vDash
\usepackage{showlabels}
\usepackage{chngpage}
\usepackage{tabulary}
\usepackage[numbers]{natbib}
\usepackage{rotating}
@ -646,9 +645,11 @@ denote arbitrary SERE and $b$ denotes a Boolean formula.
\end{tabular}
\end{center}
The character \samp{\$} can also be used as value for $\mvar{j}$ in
the above operators to denote an unbounded range. For instance
`$a\STAR{i,\texttt{\$}}$' and `$a\STAR{i..}$' represent the same SERE.
The character \samp{\$} or the string \samp{inf} can also be used as
value for $\mvar{j}$ in the above operators to denote an unbounded
range.\footnote{SVA uses \samp{\$} while PSL uses \samp{inf}.} For
instance `$a\STAR{i,\texttt{\$}}$', `$a\STAR{i\texttt{:inf}}$' and
`$a\STAR{i..}$' all represent the same SERE.
\subsection{Semantics}