lini 0.15.0

Pretty diagrams from plain text, with fine-grained control. Compiles to clean, themeable SVG.
Documentation 
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// Annotations: shaded bands segmenting a plot, bands on a named time axis, and a
// threshold |mark| line over bars.
|grid| { columns: repeat(2); gap: 24; } [
  |chart| "Motor draw (A)" [
    |axis| "phase" { side: bottom; }
    |axis| { side: left; }
    |band| "Close" { span: 0 1.4; fill: --sky; }
    |band| "Inject" { span: 1.4 3.1; fill: --rose; }
    |band| "Hold" { span: 3.1 5.1; fill: --amber; }
    |line| "draw" {
      stroke: --rose-deep; fn: `0.12 + 1.2*exp(-((u-0.8)/0.12)^2)` `1.5 + 3.0*u^1.1` 0.5;
    }
  ]
  |chart| "Reactor warm-up" [
    |axis#t| "min" { side: bottom; range: 0 6; }
    |axis| "°C" { side: left; }
    |band| "Warm" { span: 0 1.5; axis: t; fill: --sky; }
    |band| "Hold" { span: 1.5 3.5; axis: t; fill: --amber; }
    |band| "Cool" { span: 3.5 6; axis: t; fill: --teal; }
    |line| "core" {
      data: 0 20, 1 90, 2 300, 3 330, 4 160, 5 60; stroke: --rose-deep;
    }
  ]
  |chart| "API latency (ms)" { categories: "p50" "p90" "p99" "p999"; } [
    |axis#ms| { side: left; }
    |bars| "v2" { data: 12 40 80 300; }
    |mark| "SLO 250" { at: 250; axis: ms; stroke: --red; stroke-style: dashed; }
  ]
]