fix(language_elements.md): fix mdl issue of labels

Now the anchor is set past the section header it belongs to.

Signed-off-by: Norwid Behrnd <[email protected]>

Author: nbehrnd

source/learn/f95_features/language_elements.md

@@ -478,9 +478,11 @@ attribute and the constant values to a type statement:
 real, dimension(3), parameter :: field = (/0., 1., 2./)
 type(triplet), parameter      :: t = triplet((/0., 0., 0./))
 ```
-(data_statement)=
+
 ### `data` statement
 
+(data_statement)=
+
 The `data` statement can be used for scalars and also for arrays and
 variables of derived type. It is also the only way to initialise just
 parts of such objects, as well as to initialise to binary, octal or