@@ -3,63 +3,63 @@ For the purposes of this document, the following terms and definitions
33apply:
44
55<dl >
6-    <dt>argument</dt> 
7-    <dd>a value passed to a function, that is intended to map to a 
8-    corresponding parameter.</dd> 
6+  <dt >argument</dt >
7+  <dd >a value passed to a function, that is intended to map to a
8+  corresponding parameter.</dd >
99
10-    <dt>behavior</dt> 
11-    <dd>external appearance or action.</dd> 
10+  <dt >behavior</dt >
11+  <dd >external appearance or action.</dd >
1212
13-    <dt>behavior, implementation-defined</dt> 
14-    <dd>behavior specific to an implementation, where that implementation 
15-    must document that behavior.</dd> 
13+  <dt >behavior, implementation-defined</dt >
14+  <dd >behavior specific to an implementation, where that implementation
15+  must document that behavior.</dd >
1616
17-    <dt>behavior, undefined</dt> 
18-    <dd>behavior which is not guaranteed to produce any specific result. 
19-    Usually follows an erroneous program construct or data.</dd> 
17+  <dt >behavior, undefined</dt >
18+  <dd >behavior which is not guaranteed to produce any specific result.
19+  Usually follows an erroneous program construct or data.</dd >
2020
21-    <dt>behavior, unspecified</dt> 
22-    <dd>behavior for which this specification provides no requirements.</dd> 
21+  <dt >behavior, unspecified</dt >
22+  <dd >behavior for which this specification provides no requirements.</dd >
2323
24-    <dt>constraint</dt> 
25-    <dd>restriction, either syntactic or semantic, on how language elements 
26-    can be used.</dd> 
24+  <dt >constraint</dt >
25+  <dd >restriction, either syntactic or semantic, on how language elements
26+  can be used.</dd >
2727
28-    <dt>error, fatal</dt> 
29-    <dd>a condition in which the engine cannot continue executing the script 
30-    and must terminate.</dd> 
28+  <dt >error, fatal</dt >
29+  <dd >a condition in which the engine cannot continue executing the script
30+  and must terminate.</dd >
3131
32-    <dt>error, fatal, catchable</dt> 
33-    <dd>a fatal error that can be caught by a user-defined handler.</dd> 
32+  <dt >error, fatal, catchable</dt >
33+  <dd >a fatal error that can be caught by a user-defined handler.</dd >
3434
35-    <dt>error, non-fatal</dt> 
36-    <dd>an error that is not a fatal error and allows for the engine to 
37-    continue execution.</dd> 
35+  <dt >error, non-fatal</dt >
36+  <dd >an error that is not a fatal error and allows for the engine to
37+  continue execution.</dd >
3838
39-    <dt>lvalue</dt> 
40-    <dd>an expression that designates a location that can store a value.</dd> 
39+  <dt >lvalue</dt >
40+  <dd >an expression that designates a location that can store a value.</dd >
4141
42-    <dt>lvalue, modifiable</dt> 
43-    <dd>an lvalue whose value can be changed.</dd> 
42+  <dt >lvalue, modifiable</dt >
43+  <dd >an lvalue whose value can be changed.</dd >
4444
45-    <dt>lvalue, non-modifiable</dt> 
46-    <dd>an lvalue whose value cannot be changed.</dd> 
45+  <dt >lvalue, non-modifiable</dt >
46+  <dd >an lvalue whose value cannot be changed.</dd >
4747
48-    <dt>notice</dt> 
49-    <dd>an informational message informing user of the code that may not work as intended.</dd> 
48+  <dt >notice</dt >
49+  <dd >an informational message informing user of the code that may not work as intended.</dd >
5050
51-    <dt>parameter</dt> 
52-    <dd>a variable declared in the parameter list of a function that is 
53-    intended to map to a corresponding argument in a call to that 
54-    function.</dd> 
51+  <dt >parameter</dt >
52+  <dd >a variable declared in the parameter list of a function that is
53+  intended to map to a corresponding argument in a call to that
54+  function.</dd >
5555
56-    <dt>PHP Run-Time Engine</dt> 
57-    <dd>the software that executes a PHP program. Referred to as <em>the 
58-    Engine</em> throughout this specification.</dd> 
56+  <dt >PHP Run-Time Engine</dt >
57+  <dd >the software that executes a PHP program. Referred to as <em >the
58+  Engine</em > throughout this specification.</dd >
5959
60-    <dt>value</dt> 
61-    <dd>a primitive unit of data operated by the Engine having a type 
62-    and potentially other content depending on the type.</dd> 
60+  <dt >value</dt >
61+  <dd >a primitive unit of data operated by the Engine having a type
62+  and potentially other content depending on the type.</dd >
6363</dl >
6464
6565Other terms are defined throughout this specification, as needed, with
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