The angle brackets syntax was originally suggested by @hynek and @glyph (IIRC), I had been using curly braces origianlly.
However a review of [Andreas Stefik and Susanna Siebert. 2013] suggests that subscripting is more readily understood by non-programmers.
(Full citation: Andreas Stefik and Susanna Siebert. 2013. An Empirical Investigation into Programming Language Syntax. ACM Transactions on Computing Education 13, 4, Article 19 (November 2013), 40 pages.)
The angle brackets syntax was originally suggested by @hynek and @glyph (IIRC), I had been using curly braces origianlly.
However a review of [Andreas Stefik and Susanna Siebert. 2013] suggests that subscripting is more readily understood by non-programmers.
(Full citation: Andreas Stefik and Susanna Siebert. 2013. An Empirical Investigation into Programming Language Syntax. ACM Transactions on Computing Education 13, 4, Article 19 (November 2013), 40 pages.)