Fix some white-space irregularities in the grammar

chapters/syntax.tex

@@ -76,7 +76,7 @@ \section{Lexical conventions}\label{lexical-conventions}
 \section{Grammar}\label{grammar}
 \subsection{Stored Definition -- Within}\label{stored-definition-within}
 \begin{lstlisting}[language=grammar]
-stored-definition:
+stored-definition :
    [ within [ name ] ";" ]
    { [ final ] class-definition ";" }
 \end{lstlisting}
@@ -164,19 +164,20 @@ \subsection{Extends}\label{extends}
 
 \subsection{Component Clause}\label{component-clause}
 \begin{lstlisting}[language=grammar]
-component-clause:
+component-clause :
    type-prefix type-specifier [ array-subscripts ] component-list
 
 type-prefix :
    [ flow | stream ]
    [ discrete | parameter | constant ] [ input | output ]
+
 component-list :
    component-declaration { "," component-declaration }
 
 component-declaration :
    declaration [ condition-attribute ] description
 
-condition-attribute:
+condition-attribute :
    if expression
 
 declaration :
@@ -200,7 +201,7 @@ \subsection{Modification}\label{modification}
    element-modification-or-replaceable
    | element-redeclaration
 
-element-modification-or-replaceable:
+element-modification-or-replaceable :
    [ each ] [ final ] ( element-modification | element-replaceable )
 
 element-modification :
@@ -210,7 +211,7 @@ \subsection{Modification}\label{modification}
    redeclare [ each ] [ final ]
    ( short-class-definition | component-clause1 | element-replaceable )
 
-element-replaceable:
+element-replaceable :
    replaceable ( short-class-definition | component-clause1 )
    [ constraining-clause ]
 
@@ -287,7 +288,7 @@ \subsection{Equations}\label{equations1}
 for-indices :
    for-index {"," for-index}
 
-for-index:
+for-index :
    IDENT [ in expression ]
 
 while-statement :
@@ -377,7 +378,7 @@ \subsection{Expressions}\label{expressions1}
    "(" [ function-arguments ] ")"
 
 function-arguments :
-expression [ "," function-arguments-non-first | for for-indices ]
+   expression [ "," function-arguments-non-first | for for-indices ]
    | function-partial-application [ "," function-arguments-non-first ]
    | named-arguments
 
@@ -401,7 +402,7 @@ \subsection{Expressions}\label{expressions1}
 function-partial-application :
    function type-specifier "(" [ named-arguments ] ")"
 
-output-expression-list:
+output-expression-list :
    [ expression ] { "," [ expression ] }
 
 expression-list :
@@ -417,7 +418,7 @@ \subsection{Expressions}\label{expressions1}
    description-string [ annotation-clause ]
 
 description-string :
-[ STRING { "+" STRING } ]
+   [ STRING { "+" STRING } ]
 
 annotation-clause :
    annotation class-modification