com php-langspec: Specify that qualified constant uses throw Error: spec/07-variables.md

Commit:    ba380138b88e51321352fdfa43ff47ca0f7d8109=0AAuthor:    Nikita Pop=
ov <[email protected]>         Wed, 13 Jul 2016 13:54:16 +0200=0AParents:   48b=
f751fd190b83cb44d9033b4f56eb8ecf4474b=0ABranches:  master=0A=0ALink:       =
http://git.php.net/?p=3Dphp-langspec.git;a=3Dcommitdiff;h=3Dba380138b88e513=
21352fdfa43ff47ca0f7d8109=0A=0ALog:=0ASpecify that qualified constant uses =
throw Error=0A=0AChanged paths:=0A  M  spec/07-variables.md=0A=0A=0ADiff:=
=0Adiff --git a/spec/07-variables.md b/spec/07-variables.md=0Aindex 0ed53d0=
..a4c5204 100644=0A--- a/spec/07-variables.md=0A+++ b/spec/07-variables.md=
=0A@@ -52,9 +52,9 @@ and is a non-modifiable lvalue.=0A =0A Undefined const=
ants are not defined implicitly -- forward usages of constants are also cla=
ssified as undefined constants here. A distinction between class/interface =
constants and top level constants is made.=0A =0A-For top level constants: =
the name of the undefined constant (as string) is used as substitution valu=
e. Moreover, a notice is emitted stating that the corresponding constant wa=
s undefined.=0A+For top level constants: For unqualified usages, the name o=
f the undefined constant (as string) is used as substitution value. Moreove=
r, a notice is emitted stating that the corresponding constant was undefine=
d. For qualified usages, an exception of type [`Error`](14-classes.md#class=
-error) is thrown.=0A =0A-For class/interface constants: a fatal error is p=
roduced stating that the corresponding constant was undefined.=0A+For class=
/interface constants: An exception of type [`Error`](14-classes.md#class-er=
ror) is thrown, stating that the corresponding constant was undefined.=0A =
=0A **Examples**=0A =0A@@ -64,7 +64,7 @@ const UPPER_LIMIT =3D MAX_HEIGHT;=
=0A define('COEFFICIENT_1', 2.345); // define two d-constants=0A define('FA=
ILURE', TRUE);=0A =0A-//examples of undefined constants=0A+// Examples of u=
ndefined constants=0A echo NON_EXISTING_CONSTANT;     // uses 'NON_EXISTING=
_CONSTANT' as substitution=0A                                 // value and =
emits a notice stating that the=0A                                 // const=
ant was undefined.=0A@@ -79,10 +79,13 @@ echo MAX_LENGTH;                //=
 same here due to a forward usage=0A                                 // 'MA=
X_LENGTH' is used as substitution =0A                                 // va=
lue and an notice is emitted.=0A =0A+echo \NON_EXISTING_CONSTANT;    // qua=
lified use of undefined constant. Throws=0A+                               =
 // an exception of type Error.=0A+=0A const MAX_LENGTH =3D 7.5;=0A =0A-ech=
o Exception::MESSAGE;        // undefined class constant. Emits a fatal =0A=
-                                // error and stops execution.=0A+echo Exce=
ption::MESSAGE;        // undefined class constant. Throws an exception=0A+=
                                // of type Error.=0A =0A ```=0A