diff -r 4816d766a08a -r f345bda72bc4 Symbian3/PDK/Source/GUID-6FA036F6-F4C7-50CA-B08F-7D5F8B7FB6B5.dita --- a/Symbian3/PDK/Source/GUID-6FA036F6-F4C7-50CA-B08F-7D5F8B7FB6B5.dita Tue Mar 30 11:42:04 2010 +0100 +++ b/Symbian3/PDK/Source/GUID-6FA036F6-F4C7-50CA-B08F-7D5F8B7FB6B5.dita Tue Mar 30 11:56:28 2010 +0100 @@ -1,66 +1,66 @@ - - - - - -BNF -GrammarsBackus-Naur Form (BNF) grammars are used as a tool for describing -language and command syntax, for example: -

select-statement : SELECT select-list FROM table-name [ restriction ] [ ordering ]

-

restriction : WHERE search-condition

-

ordering : ORDER BY sort-order

-

A BNF definition states that the named item given before the colon is written -as described after the colon. For example, an ordering is written as ORDER -BY followed by a sort-order (which may be defined elsewhere).

- - - - -

BNF expression

-

What it means

- - -

named-construction : expression

-

Declares that a named-construction is written as expression.

- - -

named-construction : expression1 expression2

-

Declares that a named-construction is written as either expression1 or expression2.

- - -

word

-

The word word, written literally.

- - -

exp1 exp2

-

exp1 followed by exp2.

- - -

[exp]

-

exp is optional.

- - -

[ exp1 | exp2 ]

-

Either exp1 or exp2 or nothing.

- - -

<exp>

-

exp is an entity or name that you specify.

- - -

exp +

-

expression, repeated one or more times.

- - -

exp *

-

expression, repeated zero, one or more times.

- - - + + + + + +BNF +GrammarsBackus-Naur Form (BNF) grammars are used as a tool for describing +language and command syntax, for example: +

select-statement : SELECT select-list FROM table-name [ restriction ] [ ordering ]

+

restriction : WHERE search-condition

+

ordering : ORDER BY sort-order

+

A BNF definition states that the named item given before the colon is written +as described after the colon. For example, an ordering is written as ORDER +BY followed by a sort-order (which may be defined elsewhere).

+
+ + + +

BNF expression

+

What it means

+ + +

named-construction : expression

+

Declares that a named-construction is written as expression.

+ + +

named-construction : expression1 expression2

+

Declares that a named-construction is written as either expression1 or expression2.

+ + +

word

+

The word word, written literally.

+ + +

exp1 exp2

+

exp1 followed by exp2.

+ + +

[exp]

+

exp is optional.

+ + +

[ exp1 | exp2 ]

+

Either exp1 or exp2 or nothing.

+ + +

<exp>

+

exp is an entity or name that you specify.

+ + +

exp +

+

expression, repeated one or more times.

+ + +

exp *

+

expression, repeated zero, one or more times.

+ + +
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