More rephrasing of operator mentions

Following the style recentry introduced in stream.tex.

chapters/derivationofstream.tex

@@ -255,7 +255,7 @@ \subsection{Connection of 3 stream connectors where two mass flow rates are posi
 mathematical solution does not exist. This specification only requires
 that a solution fulfills the balance equations. Additionally, a
 recommendation is given to compute all unknowns in a unique way, by
-providing an explicit formula for the \lstinline!inStream! operator. Due to the
+providing an explicit formula for \lstinline!inStream!. Due to the
 definition, that only flows where the corresponding \lstinline!min! attribute is
 neither zero nor positive enter this formula, a meaningful physcial
 result is always obtained, even in case of zero mass flow rate. As a

chapters/equations.tex

@@ -416,8 +416,7 @@ \subsubsection{Application of the Single-assignment Rule to When-Equations}\doub
 
 \subsection{reinit}\doublelabel{reinit}
 
-The \lstinline!reinit! operator can only be used in the body of a when-equation. It
-has the following syntax:
+\lstinline!reinit! can only be used in the body of a when-equation.  It has the following syntax:
 \begin{lstlisting}[language=modelica]
 reinit(x, expr);
 \end{lstlisting}
@@ -444,12 +443,12 @@ \subsection{reinit}\doublelabel{reinit}
 If a higher index system is present, i.e., constraints between
 state variables, some state variables need to be redefined to non-state
 variables. During simulation, non-state variables should be chosen in
-such a way that variables with an applied \lstinline!reinit! operator are
+such a way that variables with an applied \lstinline!reinit! are
 selected as states at least when the corresponding when-clauses become
-active. If this is not possible, an error occurs, since otherwise the
-\lstinline!reinit! operator would be applied on a non-state variable.
+active. If this is not possible, an error occurs, since otherwise
+\lstinline!reinit! would be applied on a non-state variable.
 
-Example for the usage of the \lstinline!reinit! operator (bouncing ball):
+Example for the usage of \lstinline!reinit! (bouncing ball):
 \begin{lstlisting}[language=modelica]
 der(h) = v;
 der(v) = if flying then -g else 0;

chapters/operatorsandexpressions.tex

@@ -375,7 +375,7 @@ \section{Built-in Intrinsic Operators with Function Syntax}\doublelabel{built-in
 Note that when the specification references a function having the name
 of a built-in function it references the built-in function, not a
 user-defined function having the same name, see also \autoref{built-in-functions}. With
-exception of built-in operator \lstinline!String(..)!, all operators in this section
+exception of the built-in \lstinline!String! operator, all operators in this section
 can only be called with positional arguments.
 
 \subsection{Numeric Functions and Conversion Functions}\doublelabel{numeric-functions-and-conversion-functions}
@@ -637,17 +637,17 @@ \subsection{Derivative and Special Purpose Operators with Function Syntax}\doubl
 \hline
 
 % inStream
-\lstinline!inStream(v)! & The operator \lstinline!inStream(v)! is only allowed on stream
-variables v defined in stream connectors, and is the value of the stream
-variable v close to the connection point assuming that the flow is from
+\lstinline!inStream(v)! & \lstinline!inStream(v)! is only allowed for stream
+variables \lstinline!v! defined in stream connectors, and is the value of the stream
+variable \lstinline!v! close to the connection point assuming that the flow is from
 the connection point into the component. This value is computed from the
 stream connection equations of the flow variables and of the stream
 variables. The operator is vectorizable. For more details see \autoref{stream-operator-instream-and-connection-equations}.\\
 \hline
 
 % actualStream
-\lstinline!actualStream(v)! & The \lstinline!actualStream(v)! operator returns the actual value
-of the stream variable v for any flow direction. The operator is
+\lstinline!actualStream(v)! & \lstinline!actualStream(v)! returns the actual value
+of the stream variable \lstinline!v! for any flow direction. The operator is
 vectorizable. For more details, see \autoref{stream-operator-actualstream}.\\
 \hline
 
@@ -659,8 +659,7 @@ \subsection{Derivative and Special Purpose Operators with Function Syntax}\doubl
 \lstinline!  initialPoints=...,!\\
 \lstinline!  initialValues=...)!
 \end{tabular} &
-The \lstinline!spatialDistribution(...)! operator allows approximation of
-variable-speed transport of properties, see \autoref{spatialdistribution}.\\
+\lstinline!spatialDistribution! allows approximation of variable-speed transport of properties, see \autoref{spatialdistribution}.\\
 \hline
 
 % getInstanceName
@@ -675,7 +674,7 @@ \subsection{Derivative and Special Purpose Operators with Function Syntax}\doubl
 \subsubsection{delay}\doublelabel{delay}
 
 \begin{nonnormative}
-The \lstinline!delay()! operator allows a numerical sound
+\lstinline!delay! allows a numerical sound
 implementation by interpolating in the (internal) integrator
 polynomials, as well as a more simple realization by interpolating
 linearly in a buffer containing past values of expression expr. Without
@@ -689,7 +688,7 @@ \subsubsection{delay}\doublelabel{delay}
 integrators are used, this information is sufficient to allocate the
 necessary storage for the internal buffer before the simulation starts.
 For variable step size integrators, the buffer size is dynamic during
-integration. In principle, a \lstinline!delay! operator could break algebraic
+integration. In principle, \lstinline!delay! could break algebraic
 loops. For simplicity, this is not supported because the minimum delay
 time has to be give as additional argument to be fixed at compile time.
 Furthermore, the maximum step size of the integrator is limited by this
@@ -705,15 +704,13 @@ \subsubsection{spatialDistribution}\doublelabel{spatialdistribution}
 system is to approximate it by an ODE, but this requires a large number
 of state variables and might introduce either numerical diffusion or
 numerical oscillations. Another option is to use a built-in operator
-that keeps track of the spatial distribution of z(x, t), by suitable
+that keeps track of the spatial distribution of $z(x, t)$, by suitable
 sampling, interpolation, and shifting of the stored distribution. In
 this case, the internal state of the operator is hidden from the ODE
 solver.
 \end{nonnormative}
 
-The \lstinline!spatialDistribution!() operator allows to approximate efficiently the
-solution of the infinite-dimensional problem
-
+\lstinline!spatialDistribution! allows to approximate efficiently the solution of the infinite-dimensional problem
 \begin{align*}
 \frac{\partial z(y,t)}{\partial t}+v(t)\frac{\partial z(y,t)}{\partial y} &= 0.0\\
 z(0.0, t) &= \mathrm{in}_0(t) \text{ if $v\ge 0$}\\
@@ -751,8 +748,7 @@ \subsubsection{spatialDistribution}\doublelabel{spatialdistribution}
 This allows to directly compute the solution based on interpolating the
 boundary conditions.
 
-The \textbf{spatialDistribution} operator can be described in terms of
-the pseudo-code given as a block:
+\textbf{spatialDistribution} can be described in terms of the pseudo-code given as a block:
 \begin{lstlisting}[language=modelica]
 block spatialDistribution
   input Real in0;
@@ -822,8 +818,8 @@ \subsubsection{spatialDistribution}\doublelabel{spatialdistribution}
 der(x) = v;
 (,out1) = spatialDistribution(in0, 0, x, true, initialPoints, initialValues);
 \end{lstlisting}
-Technically relevant use cases for the use of the
-\lstinline!spatialDistribution! operator are modeling of electrical
+Technically relevant use cases for the use of
+\lstinline!spatialDistribution! are modeling of electrical
 transmission lines, pipelines and pipeline networks for gas, water and
 district heating, sprinkler systems, impulse propagation in elongated
 bodies, conveyor belts, and hydraulic systems. Vectorization is needed
@@ -834,8 +830,7 @@ \subsubsection{spatialDistribution}\doublelabel{spatialdistribution}
 \subsubsection{cardinality (deprecated)}\doublelabel{cardinality-deprecated}
 
 \begin{nonnormative}
-The cardinality operator is deprecated for the following
-reasons and will be removed in a future release:
+\lstinline!cardinality! is deprecated for the following reasons and will be removed in a future release:
 \begin{itemize}
 \item
   Reflective operator may make early type checking more difficult.
@@ -847,8 +842,7 @@ \subsubsection{cardinality (deprecated)}\doublelabel{cardinality-deprecated}
 \end{nonnormative}
 
 \begin{nonnormative}
-The \lstinline!cardinality()! operator allows the definition of
-connection dependent equations in a model, for example:
+\lstinline!cardinality! allows the definition of connection dependent equations in a model, for example:
 \begin{lstlisting}[language=modelica]
 connector Pin
   Real v;
@@ -867,7 +861,7 @@ \subsubsection{cardinality (deprecated)}\doublelabel{cardinality-deprecated}
 The cardinality is counted after removing conditional components. and
 may not be applied to expandable connectors, elements in expandable
 connectors, or to arrays of connectors (but can be applied to the scalar
-elements of array of connectors). The cardinality operator should only
+elements of array of connectors). \lstinline!cardinality! should only
 be used in the condition of assert and if-statements -- that do not
 contain connect (and similar operators -- see \autoref{clocked-discrete-time-and-clocked-discretized-continuous-time-partition}).
 
@@ -900,24 +894,24 @@ \subsubsection{homotopy}\doublelabel{homotopy}
 respective non-linear algebraic equation systems. The reason is that the
 following structure can be present:
 \begin{lstlisting}[language=modelica, mathescape=true]
-w= $f_1$(x) // has homotopy operator
+w = $f_1$(x) // has homotopy
 0 = $f_2$(der(x), x, z, w)
 \end{lstlisting}
 
 Here, a non-linear equation system $f_2$
-is present. The homotopy operator is, however used on a variable
+is present. \lstinline!homotopy! is, however used on a variable
 that is an ``input'' to the non-linear algebraic equation system, and
 modifies the characteristics of the non-linear algebraic equation
 system. The only useful way is to perform the homotopy iteration over
 $f_1$ and $f_2$ together.
 
 The suggested approach is ``conceptual'', because more efficient
 implementations are possible, e.g. by determining the smallest iteration
-loop, that contains the equations of the first BLT block in which a
-homotopy operator is present and all equations up to the last BLT block
+loop, that contains the equations of the first BLT block in which
+\lstinline!homotopy! is present and all equations up to the last BLT block
 that describes a non-linear algebraic equation system.
 
-A trivial implementation of the homotopy operator is obtained by
+A trivial implementation of \lstinline!homotopy! is obtained by
 defining the following function in the global scope:
 \begin{lstlisting}[language=modelica]
 function homotopy
@@ -933,8 +927,8 @@ \subsubsection{homotopy}\doublelabel{homotopy}
 \textbf{Example 1.} In electrical systems it is often difficult to solve non-linear
 algebraic equations if switches are part of the algebraic loop. An
 idealized diode model might be implemented in the following way, by
-starting with a ``flat'' diode characteristic and then move with the
-homotopy operator to the desired ``steep'' characteristic:
+starting with a ``flat'' diode characteristic and then move with
+\lstinline!homotopy! to the desired ``steep'' characteristic:
 \begin{lstlisting}[language=modelica]
 model IdealDiode
   ...
@@ -986,7 +980,7 @@ \subsubsection{homotopy}\doublelabel{homotopy}
 end PressureLoss;
 \end{lstlisting}
 
-\textbf{Example 4.} Note that the homotopy operator \textbf{shall not} be used to
+\textbf{Example 4.} Note that \lstinline!homotopy! \textbf{shall not} be used to
 combine unrelated expressions, since this can generate singular systems
 from combining two well-defined systems.
 \begin{lstlisting}[language=modelica]
@@ -1161,7 +1155,7 @@ \subsection{Event-Related Operators with Function Syntax}\doublelabel{event-rela
 \lstinline!pre(y)! & Returns the \emph{left limit} $y(t\textsuperscript{pre})$ of
 variable $y(t)$ at a time instant $t$. At an event instant,
 $y(t\textsuperscript{pre})$ is the value of y after the last event
-iteration at time instant $t$ (see comment below). The \lstinline!pre()! operator can
+iteration at time instant $t$ (see comment below). \lstinline!pre! can
 be applied if the following three conditions are fulfilled
 simultaneously: (a) variable $y$ is either a subtype of a simple type or
 is a record component, (b) $y$ is a discrete-time expression (c) the
@@ -1174,24 +1168,23 @@ \subsection{Event-Related Operators with Function Syntax}\doublelabel{event-rela
 
 % edge
 \lstinline!edge(b)! & Is expanded into \lstinline!(b and not pre(b))! for Boolean variable
-\lstinline!b!. The same restrictions as for the \lstinline!pre()! operator apply (e.g. not to be
+\lstinline!b!. The same restrictions as for \lstinline!pre! apply (e.g. not to be
 used in function classes).\\ \hline
 
 % change
-\lstinline!change(v)! & Is expanded into \lstinline!(v<>pre(v))!. The
-same restrictions as for the \lstinline!pre()! operator apply.\\ \hline
+\lstinline!change(v)! & Is expanded into \lstinline!(v<>pre(v))!. The same restrictions as for \lstinline!pre! apply.\\ \hline
 
 % reinit
 \lstinline!reinit(x, expr)! & In the body of a when clause, reinitializes \lstinline!x! with
 \lstinline!expr! at an event instant. \lstinline!x! is a scalar or array \lstinline!Real! variable that is implicitly defined to have \lstinline!StateSelect.always!.
 \begin{nonnormative}
 It is an error if the variable cannot be selected as a state.
 \end{nonnormative}
-\lstinline!expr! needs to be type-compatible with \lstinline!x!. The
-reinit operator can only be applied once for the same variable - either
+\lstinline!expr! needs to be type-compatible with \lstinline!x!.
+\lstinline!reinit! can only be applied once for the same variable --- either
 as an individual variable or as part of an array of variables. It can
 only be applied in the body of a when clause in an equation section. See
-also \autoref{reinit} .\\ \hline
+also \autoref{reinit}.\\ \hline
 
 \end{longtable}
 
@@ -1224,9 +1217,9 @@ \subsubsection{pre}\doublelabel{pre}
 
 \subsubsection{noEvent and smooth}\doublelabel{noevent-and-smooth}
 
-The \lstinline!noEvent! operator implies that real elementary relations/functions
+\lstinline!noEvent! implies that real elementary relations/functions
 are taken literally instead of generating crossing functions, \autoref{events-and-synchronization}.
-The \lstinline!smooth! operator should be used instead of \lstinline!noEvent!, in order to
+\lstinline!smooth! should be used instead of \lstinline!noEvent!, in order to
 avoid events for efficiency reasons. A tool is free to not generate
 events for expressions inside \lstinline!smooth!. However, \lstinline!smooth! does not guarantee
 that no events will be generated, and thus it can be necessary to use
@@ -1383,7 +1376,7 @@ \subsection{Discrete-Time Expressions}\doublelabel{discrete-time-expressions}
 test.
 
 \begin{nonnormative}
-This restriction guarantees that the \lstinline!noEvent()! operator cannot be applied to \lstinline!Boolean!, \lstinline!Integer!, \lstinline!String!, or \lstinline!enumeration!
+This restriction guarantees that \lstinline!noEvent! cannot be applied to \lstinline!Boolean!, \lstinline!Integer!, \lstinline!String!, or \lstinline!enumeration!
 equations outside of a \lstinline!when!-clause, because then one of the two expressions is not discrete-time.
 \end{nonnormative}
 

chapters/revisions.tex

@@ -1278,7 +1278,7 @@ \subsection{Contributors to the Modelica Language, Version 3.2}\doublelabel{cont
 The global name lookup was proposed by Stefan Vorkoetter.
 
 The support for Unicode was initiated by Rui Gao and Hoyoun Kim.\\
-The \lstinline!homotopy! operator was proposed by Martin Otter, Michael Sielemann
+\lstinline!homotopy! was proposed by Martin Otter, Michael Sielemann
 and Francesco Casella. Michael Sielemann demonstrated with benchmark
 problems that non-linear solvers are not able to solve reliably
 initialization problems and that the homotopy operator is therefore