Incompatibilities in the Language

• The equality test operator now is denoted by ==, instead of =.
• The syntax for table construction has been greatly simplified. The old @(size) has been substituted by {}. The list constructor (formerly @[...]) and the record constructor (formerly @{...}) now are both coded like {...}. When the construction involves a function call, like in @func{...}, the new syntax does not use the @. More important, a construction function must now explicitly return the constructed table.

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