SSP expressions which are function calls or identifiers could avoid the {}
we should consider supporting $foo(blah) or $foo() as valid expressions to avoid the noisy ${foo(1234)}. Particularly as ) followed by } is easy to mess up and hard to read.
I guess $foo could be a little dangerous - though I guess folks can escape with $$
I guess $foo could be a little dangerous - though I guess folks can escape with $$
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