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Variables
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=========
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- Sigils
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+
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+ # [Sigils](#nav-top)
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------
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All variables in Perl begin with a [sigil](appendix-g-glossary#sigil).
@@ -26,7 +27,7 @@ The first 4 can also be used as prefix operators, called
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but there are much more different contexts then 4.
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- Twigils
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+ # [ Twigils](#nav-top)
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-------
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Twigil is short for secondary sigil. They follow after a primary sigil and mark special namespaces or variables with special meanings and properties.
@@ -44,7 +45,7 @@ Twigil is short for secondary sigil. They follow after a primary sigil and mark
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-------------------------------------------------- ------------------------------------------------------------
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- Special Variables
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+ # [ Special Variables](#nav-top)
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-----------------
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---------------------------------------- ------------------------
@@ -562,7 +563,11 @@ have an equivalent [*Unicode*](appendix-g-glossary#unicode) version
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Set Op UTF CPNR Short Explanation
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---------------------------------------- ----- ---- ----- -----------------------------------------------
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(elem) ∈ 2208 True if left operand is element of the right set
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- (cont) ∋ 220B %nbsp; True if right operand is element of the left set
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+ (cont) ∋ 220B True if right operand is element of the left set
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+ (<) ⊂ 2282 strict True if all elements left are in right and right set has more
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+ (<=) ⊆ 2286 subset True if all elements left are in right set
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+ (>) ⊃ 2283 strict True if all elements right are in left set and left has more (strict superset)
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+ (>=) ⊇ 2287 supers True if all elements right are in left set
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[(&)](appendix-a-index#ampersand-set-op) ∩ 2229 AND Set of elements, which are in both sets
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[(|)](appendix-a-index#pipe-set-op) ∪ 222A OR Set of elements, which are in one or both sets
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[(\^)](appendix-a-index#caret-set-op) ⊖ 2296 XOR Set of elements, which are only in one of both sets
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