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Strict var-strings Sets up string parameter error checking. Corresponds to {$V}. (If the Open parameters option is selected, this option is not applicable.)
Complete boolean eval Evaluates every piece of an expression in Boolean terms, regardless of whether the result of an operand evaluates as false. Corresponds to {$B}.
Extended syntax Enables you to define a function call as a procedure and to ignore the function result. Also enables PChar support. Corresponds to {$X}.
Typed @ operator ?????? Controls the type of pointer returned by the @ operator. Corresponds to {$T}.
Open parameters Enables open string parameters in procedure and function declarations. Corresponds to {$P}. Open parameters are generally safer, and more efficient.
Huge strings ?? Enables new garbage collected strings. The string keyword corresponds to the AnsiString type with this option enabled. Otherwise the string keyword corresponds to the ShortString type. Corresponds to {$H}.?
Assignable typed constants Enable this for backward compatibility with Delphi 1.0 on Windows. When enabled, the compiler allows assignments to typed constants. Corresponds to {$J}.
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Debugging?????? Effect
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Debug information Puts debug information into the unit (.dcu or .dpu) file. Corresponds to {$D}.
Local symbols ?????? Generates local symbol information. Corresponds to {$L}..
Reference info/Definitions only Generates symbol reference information used by the Code Browser, Code Explorer, and Project Browser. Corresponds to {$Y}. If Reference Info and Definitions Only are both checked ({$YD}), the compiler records information about where identifiers are defined. If Reference Info is checked but Definitions Only is unchecked ({$Y }), the compiler records information about where each identifier is defined and where it is used. These options have no effect unless Debug Information and Local Symbols (see above) are selected.
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Assertions ??? Generates code for assertions placed in code. Corresponds to {$C}.. Unlike exceptions, assertions can be removed for the final build. After disabling the option, rebuild the code base to eliminate assertions.
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