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Allow a colon before a single-line if - #1925
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`x = 1 : if x = 1 then print x` is valid on device but was flagged as "Colon before 'if' statement is not allowed". Verified on device (Roku OS 16.0.4): a colon before a single-line `if` compiles, while a colon before a multi-line `if` is a syntax error. The diagnostic is now only reported for multi-line `if` statements, and its message says so.
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if (#350)if
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x = 1 : if x = 1 then print xis valid on device but was flagged as "Colon before 'if' statement is not allowed". Verified on device (Roku OS 16.0.4): a colon before a single-lineifcompiles, while a colon before a multi-lineifis a syntax error. The diagnostic is now only reported for multi-lineifstatements, and its message says so.