fixed unsupported text formatting within <code> tags (for SQL statements)

manual/docs/DQL (Doctrine Query Language) - Conditional expressions - Exists Expressions.php

 Syntax:
 <code>
-//operand// [NOT ]EXISTS (//subquery//)
+<operand> [NOT ]EXISTS (<subquery>)
 </code>
 The EXISTS operator returns TRUE if the subquery returns one or more rows and FALSE otherwise. 
 

manual/docs/DQL (Doctrine Query Language) - Conditional expressions - In expressions.php

 Syntax:
 <code>
-//operand// IN (//subquery//|//value list//)
+<operand> IN (<subquery>|<value list>)
 </code>
 An IN conditional expression returns true if the //operand// is found from result of the //subquery//
 or if its in the specificied comma separated //value list//, hence the IN expression is always false if the result of the subquery

manual/docs/DQL (Doctrine Query Language) - DELETE queries.php

 <code>
-DELETE FROM //component_name//
-    [WHERE //where_condition//]
+DELETE FROM <component_name>
+    [WHERE <where_condition>]
     [ORDER BY ...]
-    [LIMIT //record_count//]
+    [LIMIT <record_count>]
 </code>
 
 * The DELETE statement deletes records from //component_name// and returns the number of records deleted.
@@ -12,7 +12,7 @@ Without WHERE clause, all records are deleted.
 
 * If the ORDER BY clause is specified, the records are deleted in the order that is specified.
 
-* The LIMIT clause places a limit on the number of rows that can be deleted. 
+* The LIMIT clause places a limit on the number of rows that can be deleted.
 The statement will stop as soon as it has deleted //record_count// records.
 
 
@@ -30,6 +30,6 @@ $rows = $q->delete('Account')
           ->from('Account a')
           ->where('a.id > ?', 3)
           ->execute();
-          
+
 print $rows; // the number of affected rows
 </code>

manual/docs/DQL (Doctrine Query Language) - FROM clause.php

-Syntax: 
+Syntax:
 
 
 <code>
-FROM //component_reference// [[LEFT | INNER] JOIN //component_reference//] ...
+FROM <component_reference> [[LEFT | INNER] JOIN <component_reference>] ...
 </code>
 
 The FROM clause indicates the component or components from which to retrieve records.
@@ -18,7 +18,7 @@ For each table specified, you can optionally specify an alias.
 SELECT u.*, p.* FROM User u LEFT JOIN u.Phonenumber
 
 SELECT u.*, p.* FROM User u, u.Phonenumber p
-</code>  
+</code>
 
 * //INNER JOIN// produces an intersection between two specified components (that is, each and every record in the first component is joined to each and every record in the second component).
 So basically //INNER JOIN// can be used when you want to efficiently fetch for example all users which have one or more phonenumbers.

manual/docs/DQL (Doctrine Query Language) - SELECT queries.php

@@ -2,15 +2,15 @@ SELECT statement syntax:
 <code>
 SELECT
     [ALL | DISTINCT]
-    //select_expr//, ...
-    [FROM //components//
-    [WHERE //where_condition//]
-    [GROUP BY //groupby_expr//
+    <select_expr>, ...
+    [FROM <components>
+    [WHERE <where_condition>]
+    [GROUP BY <groupby_expr>
       [ASC | DESC], ... ]
-    [HAVING //where_condition//]
-    [ORDER BY //orderby_expr//
+    [HAVING <where_condition>]
+    [ORDER BY <orderby_expr>
       [ASC | DESC], ...]
-    [LIMIT //row_count// OFFSET //offset//}]
+    [LIMIT <row_count> OFFSET <offset>}]
 </code>
 
 
@@ -21,7 +21,7 @@ The SELECT statement is used for the retrieval of data from one or more componen
 SELECT a.name, a.amount FROM Account a
 </code>
 
-* An asterisk can be used for selecting all columns from given component. Even when using an asterisk the executed sql queries never actually use it 
+* An asterisk can be used for selecting all columns from given component. Even when using an asterisk the executed sql queries never actually use it
 (Doctrine converts asterisk to appropriate column names, hence leading to better performance on some databases).
 <code>
 SELECT a.* FROM Account a

manual/docs/DQL (Doctrine Query Language) - WHERE clause.php

 Syntax:
 <code>
-WHERE //where_condition//
+WHERE <where_condition>
 </code>
 
 *  The WHERE clause, if given, indicates the condition or conditions that the records must satisfy to be selected.
 
 
 
-*  //where_condition// is an expression that evaluates to true for each row to be selected. 
+*  //where_condition// is an expression that evaluates to true for each row to be selected.