Noted that reference delimiters not permitted in variable names. Clarified that attempts to nest variable references causes an error.

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Browse code Noted that reference delimiters not permitted in variable names. Clarified that attempts to nest variable references causes an error. master
1 parent 19df81f commit 5976b4a4b9b3ae8382ac29218c18476748b5bd88 tundra authored on 8 Apr 2004

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          tconfpy.3
 a leading period in a variable name to be a "namespace escape".
This is discussed in a later section on lexical namespaces.
 
.IP \(bu 4
Variable names cannot contain the \'[\' or \']\' characters.  These
are reserved symbols used to indicate a variable
.B reference.
 
.IP \(bu 4
You cannot have a variable whose name is the empty string.  This is
illegal:
 
.nf
    FOO          = Goodness
    BAR          = Me
    Oh[FOO][BAR] = Goodness Gracious Me!
 
    # But This Does NOT Do What You Might Think
 
    [FOO[BAR]] = Something Or Other  # Avoid nested constructs like this!
    # But This Kind Of Nesting Attempt Causes An Error
 
    [FOO[BAR]] = Something Or Other
.fi
 
.SS Lexical Namespaces
 a leading period in a variable name to be a "namespace escape".
 This is discussed in a later section on lexical namespaces.
 .IP \(bu 4
+Variable names cannot contain the \'[\' or \']\' characters.  These
+are reserved symbols used to indicate a variable
+.B reference.
+.IP \(bu 4
 You cannot have a variable whose name is the empty string.  This is
 illegal:
 .nf
     FOO          = Goodness
     BAR          = Me
     Oh[FOO][BAR] = Goodness Gracious Me!
+    # But This Does NOT Do What You Might Think
+    [FOO[BAR]] = Something Or Other  # Avoid nested constructs like this!
+    # But This Kind Of Nesting Attempt Causes An Error
+    [FOO[BAR]] = Something Or Other
 .fi
 .SS Lexical Namespaces

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