Don't you mean it has an S-expression syntax? The article also got the syntax part wrong. The syntax of F-Script is smalltalk's not Objective-C's. Objective-C'

Don't you mean it has an S-expression syntax? The article also got the syntax part wrong. The syntax of F-Script is smalltalk's not Objective-C's. Objective-C's object semantics was influenced by smalltalk, so F-Script looks and feels like smalltalk.