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String<br />
• Single-quoted string literals<br />
• Embedded variables are NOT interpolated<br />
(Ex) „The sum is: $sum‟ = The sum is: $sum<br />
• Embedded escape sequences are NOT recognized<br />
• Double-quoted string literals<br />
• Embedded variables ARE interpolated<br />
(Ex) “The sum is: $sum” = The sum is: 12.4<br />
• If <strong>the</strong>re is a variable name in a double-quoted string but<br />
you don‟t want it interpolated, it must be backslashed<br />
• Embedded escape sequences ARE recognized<br />
• For both single- and double-quoted literal strings,<br />
embedded delimiters must be backslashed<br />
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