The set of symbols

The following symbols are used for language statements designing:

• <a..z>, <A..Z> – capital and line letters of Latin alphabet;

• <0..9> – numerals from 0 to 9;

• <_> – the underlining;

• < > – the space;

• <,> – the comma;

• <=> – the equal;

• <;> – the semicolon;

• <:> – the colon;

• <[> – left bracket;

• <]> – right bracket;

• <“> – double quotation marks;

• <(> – left parenthesis;

• <)> – ruling parenthesis;

• <+> – the plus;

• <-> – the minus;

• <*> – the asterisk;

• </> – the slash;

• <\> – the backslash;

• <^> – the pointer;

• <$> – the dollar;

• <<> – left angular bracket;

• <>> – ruling angular bracket;

• <#> – not equal;

• <.> – the point;

• <@> – commercial A.

The comments and literal strings allow any symbol.

The <Identifier> – is a unceasing letters sequence, numerals and symbols <_>, <@> and <$>, and must begin from the letter. Capital and line letters are indistinguishable in the identifiers.

The <Number> – is an unceasing sequence of numerals, containing only one decimal point. The signs <+> or <-> is allowed before the number. As default, the number is interpreted as positive.

The <Literal strings> – are the arbitrary symbols sequences, marked by the double quotation marks.