106 annotation nested entry delimiters

// Pins the annotation-block tokenizer: entries are delimited nesting- and
// string-aware — nested ()/[] pairs and "..." strings never close the block
// or split an entry. Annotations stay opaque entries (consumers interpret);
// this pins only the DELIMITING, inline ≡ vertical.

const std = @import("std");

~[custom(foo(bar: 1))|other[x, y]|doc("pipes | and ] stay put")]event guarded {}

~[
- custom(foo(bar: 1))
- doc("vertical ] too")
]event vertical-guarded {}

~proc guarded|zig {
    std.debug.print("guarded ran\n", .{});
}

~proc vertical-guarded|zig {
    std.debug.print("vertical-guarded ran\n", .{});
}

~guarded()
~vertical-guarded()