Editing Metasyntax (section)

==Element of metasyntax==
* Terminals: a stand-alone syntactic structure. Terminals could be denoted by double quoting the name of the terminals.
:e.g. {{code|"else"}} , {{code|"if"}}, {{code|"then"}}, {{code|"while"}}
* Nonterminals: a symbolic representation defining a set of allowable syntactic structures that is composed of a subset of elements. Nonterminals could be denoted by angle bracketing the name of the nonterminals.
:e.g. {{code|<int>}}, {{code|<char>}}, {{code|<boolean>}}

* Metasymbol: a symbolic representation denoting syntactic information.
:e.g. {{code|:{{=}}}} , {{code|{{!}}}}, {{code|{} }}, {{code|()}}, {{code|[]}}, {{code|*}}