{
  "_id": "6ac228a4773a0037682c2cf5",
  "Package": "vellumplot",
  "Title": "A Grammar of Graphics on the 'vellum' Backend",
  "Version": "0.9.0.9000",
  "Authors@R": "person(\"David\", \"Schoch\", , \"david.schoch@cynkra.com\", role = c(\"aut\", \"cre\"))",
  "Description": "A declarative, pipe-first grammar of graphics that\ncompiles an inspectable plot specification into a 'vellum'\nscene and renders it. A plot is built up as a serializable spec\n(data, layers, scales) and nothing is drawn until it is\ncompiled: encodings are resolved, scales are trained, a panel\nlayout is measured, and guides and marks are emitted as\n'vellum' grobs.",
  "License": "MIT + file LICENSE",
  "URL": "https://r-vellum.github.io/vellumplot/,\nhttps://github.com/r-vellum/vellumplot,\nhttps://schochastics.r-universe.dev/vellumplot",
  "BugReports": "https://github.com/r-vellum/vellumplot/issues",
  "Encoding": "UTF-8",
  "Roxygen": "list(markdown = TRUE)",
  "RoxygenNote": "8.0.0.9000",
  "Remotes": [
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    "schochastics/edgebundle",
    "schochastics/graphlayouts"
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  "Config/testthat/edition": "3",
  "Collate": "'vellumplot-package.R' 'classes.R' 'print.R' 'alt.R'\n'compile-resolve.R' 'coord.R' 'compile-train.R' 'facet.R'\n'compile-facet.R' 'marginal.R' 'compile-marks.R' 'elements.R'\n'theme-tree.R' 'theme.R' 'compile-layout.R' 'compile-guides.R'\n'seam.R' 'animate.R' 'marks.R' 'annotate.R' 'vgraph.R'\n'vplot.R' 'sankey.R' 'chord.R' 'clip.R' 'concat.R'\n'compile-composition.R' 'compile-marks-basic.R'\n'compile-marks-distribution.R' 'compile-marks-graph.R'\n'compile-marks-helpers.R' 'compile-marks-interval.R'\n'compile-marks-spatial.R' 'compile-marks-structure.R'\n'compile-marks-text.R' 'compile-position.R' 'compile-sf.R'\n'compile-stat.R' 'decorations.R' 'documents.R' 'effects.R'\n'guides.R' 'hierarchy-pack.R' 'hierarchy.R' 'labs.R' 'lint.R'\n'spec-serialize.R' 'spec-json.R' 'spec-fields.R' 'mcp.R'\n'pattern.R' 'positions.R' 'provenance.R' 'reexports.R'\n'repeat.R' 'repel.R' 'scales.R' 'scales-binned.R' 'select.R'\n'sparkline.R' 'spec-vegalite.R' 'svg.R' 'table.R' 'venn.R'\n'waffle.R' 'zzz.R'",
  "Config/pak/sysreqs": "libfontconfig1-dev libfreetype6-dev libfribidi-dev\nlibharfbuzz-dev libicu-dev libxml2-dev xz-utils libclang-dev",
  "Repository": "https://schochastics.r-universe.dev",
  "Date/Publication": "2026-09-04 07:42:21 UTC",
  "RemoteUrl": "https://github.com/r-vellum/vellumplot",
  "RemoteRef": "HEAD",
  "RemoteSha": "2b9c15c7d05948b38fd8f8d6210edabf1c112c02",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-10-04 10:12:59 UTC",
    "User": "root"
  },
  "Author": "David Schoch [aut, cre]",
  "Maintainer": "David Schoch <david.schoch@cynkra.com>",
  "_user": "schochastics",
  "_type": "src",
  "_file": "vellumplot_0.9.0.9000.tar.gz",
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  "_sha256": "86c5110874ee781065772b60ad9e3332d532bed2295867eb3d3448af90327094",
  "_expires": "2027-01-12T10:21:22.000Z",
  "_created": "2026-10-04T10:12:59.000Z",
  "_published": "2026-10-04T10:21:24.683Z",
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  "_commit": {
    "id": "2b9c15c7d05948b38fd8f8d6210edabf1c112c02",
    "author": "David Schoch <david@schochastics.net>",
    "committer": "GitHub <noreply@github.com>",
    "message": "feat(guides): guide_colourbar(n.breaks =) sets the bar's tick count (#191)\n\nThe last unshipped piece of the tunable continuous guide. A colour bar's ticks\nwere whatever `scales::breaks_extended()` chose over the range, and the only\nway to change the count was to name every break by hand on the scale.\n\n`n.breaks` re-derives the break set for a requested count rather than thinning\nthe existing one, so the ticks stay round numbers over the range instead of\nbecoming an arbitrary subset with gaps at the ends. It is therefore a target,\nnot a promise -- the same contract as ggplot2's `scale_*(n.breaks =)`.\n\nAn explicit `breaks =` or `labels =` on the scale outranks it: both are\nstatements about which values get a tick, and `labels =` is paired with those\nbreaks index-wise, so re-deriving would silently mislabel the bar. The trained\nscale now records whether either was asked for.\n\nNo `nbin`: the bar is one real gradient fill, not a stack of rectangles\napproximating one, so there are no bands to count. Noted in the docs so a\nreader coming from ggplot2 stops looking for it.\n\nA plot with no `n.breaks` renders byte for byte as before, checked against\n`origin/main` across seven guide variants in PNG and SVG.\n\nCo-authored-by: Claude Opus 5 <noreply@anthropic.com>",
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  "_exports": [
    "add_marginal",
    "add_selection",
    "after_stat",
    "anim_save",
    "animate",
    "annotate",
    "area",
    "as_spec",
    "bind_scale",
    "clip_layer",
    "clip_to",
    "compose_annotation",
    "concat",
    "condition",
    "coord_cartesian",
    "coord_equal",
    "coord_fixed",
    "coord_flip",
    "coord_polar",
    "coord_radial",
    "coord_sf",
    "coord_trans",
    "dup_axis",
    "ease_aes",
    "echo",
    "element_blank",
    "element_line",
    "element_rect",
    "element_text",
    "facet_grid",
    "facet_wrap",
    "filter_by",
    "from_spec",
    "glow",
    "gt_vsparkline",
    "guide_colorbar",
    "guide_colorsteps",
    "guide_colourbar",
    "guide_coloursteps",
    "guide_legend",
    "guide_none",
    "guides",
    "hconcat",
    "inset",
    "inspect_source",
    "interaction_model",
    "labs",
    "lims",
    "linear_gradient",
    "mark_abline",
    "mark_area",
    "mark_bar",
    "mark_bin2d",
    "mark_boxplot",
    "mark_chord",
    "mark_compass",
    "mark_contour",
    "mark_contour_filled",
    "mark_count",
    "mark_crossbar",
    "mark_datashade",
    "mark_density",
    "mark_donut",
    "mark_dotplot",
    "mark_ecdf",
    "mark_edge_bundle",
    "mark_edge_text",
    "mark_edges",
    "mark_ellipse",
    "mark_errorbar",
    "mark_flow_map",
    "mark_function",
    "mark_halfeye",
    "mark_hex",
    "mark_hierarchy",
    "mark_histogram",
    "mark_hull",
    "mark_image",
    "mark_interval",
    "mark_label",
    "mark_line",
    "mark_linerange",
    "mark_node_hull",
    "mark_node_pie",
    "mark_node_text",
    "mark_nodes",
    "mark_outlier_label",
    "mark_pie",
    "mark_point",
    "mark_pointrange",
    "mark_qq",
    "mark_qq_line",
    "mark_raincloud",
    "mark_raster",
    "mark_ribbon",
    "mark_ridgeline",
    "mark_rug",
    "mark_rule",
    "mark_sankey",
    "mark_scalebar",
    "mark_segment",
    "mark_series_label",
    "mark_sf",
    "mark_sf_label",
    "mark_signif",
    "mark_smooth",
    "mark_step",
    "mark_summary",
    "mark_text",
    "mark_text_path",
    "mark_tile",
    "mark_violin",
    "mcp_serve",
    "md",
    "motion",
    "outline",
    "pattern_checker",
    "pattern_crosshatch",
    "pattern_dot",
    "pattern_grid",
    "pattern_hatch",
    "pattern_stripe",
    "pdf_pages",
    "plot_alt",
    "plot_data_uri",
    "plot_lint",
    "plot_manifest",
    "plot_provenance",
    "plot_spacer",
    "plot_svg",
    "plot_verify",
    "PlotSpec",
    "position_dodge",
    "position_dodge2",
    "position_jitter",
    "position_jitterdodge",
    "position_nudge",
    "position_sina",
    "provenance_join",
    "provenance_payload",
    "radial_gradient",
    "render_all",
    "render_plot",
    "repeat_",
    "resolve_scale",
    "scale_alpha",
    "scale_alpha_continuous",
    "scale_alpha_identity",
    "scale_color_binned",
    "scale_color_brewer",
    "scale_color_continuous",
    "scale_color_discrete",
    "scale_color_distiller",
    "scale_color_gradient",
    "scale_color_gradient2",
    "scale_color_gradientn",
    "scale_color_identity",
    "scale_color_manual",
    "scale_color_steps",
    "scale_color_viridis_c",
    "scale_color_viridis_d",
    "scale_colour_brewer",
    "scale_colour_continuous",
    "scale_colour_discrete",
    "scale_colour_distiller",
    "scale_colour_gradient",
    "scale_colour_gradient2",
    "scale_colour_gradientn",
    "scale_colour_identity",
    "scale_colour_manual",
    "scale_colour_steps",
    "scale_colour_viridis_c",
    "scale_colour_viridis_d",
    "scale_edge_alpha",
    "scale_edge_color",
    "scale_edge_colour",
    "scale_edge_linetype",
    "scale_edge_width",
    "scale_fill_binned",
    "scale_fill_brewer",
    "scale_fill_continuous",
    "scale_fill_discrete",
    "scale_fill_distiller",
    "scale_fill_gradient",
    "scale_fill_gradient2",
    "scale_fill_gradientn",
    "scale_fill_identity",
    "scale_fill_manual",
    "scale_fill_steps",
    "scale_fill_viridis_c",
    "scale_fill_viridis_d",
    "scale_linetype",
    "scale_linetype_discrete",
    "scale_linetype_identity",
    "scale_linewidth",
    "scale_linewidth_continuous",
    "scale_pattern",
    "scale_shape",
    "scale_shape_identity",
    "scale_size",
    "scale_size_area",
    "scale_size_identity",
    "scale_x_binned",
    "scale_x_continuous",
    "scale_x_date",
    "scale_x_datetime",
    "scale_x_discrete",
    "scale_x_time",
    "scale_y_binned",
    "scale_y_continuous",
    "scale_y_date",
    "scale_y_datetime",
    "scale_y_discrete",
    "scale_y_time",
    "sec_axis",
    "select_interval",
    "select_neighbours",
    "select_point",
    "set_mask",
    "set_theme",
    "shadow",
    "sketch",
    "spec_diagnose",
    "spec_fields",
    "spec_from_json",
    "spec_from_vegalite",
    "spec_schema",
    "spec_to_json",
    "spec_to_vegalite",
    "theme",
    "theme_bw",
    "theme_classic",
    "theme_cyberpunk",
    "theme_dark",
    "theme_gray",
    "theme_light",
    "theme_linedraw",
    "theme_minimal",
    "theme_sketch",
    "theme_void",
    "transition_reveal",
    "transition_states",
    "transition_time",
    "vchord",
    "vconcat",
    "vdendrogram",
    "vgraph",
    "vhierarchy",
    "vl_pattern",
    "vplot",
    "vplot_ask",
    "vplot_from_spec",
    "vsankey",
    "vsparkline",
    "vtable",
    "vvenn",
    "vwaffle",
    "wrap_plots",
    "xlim",
    "ylim"
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  "_help": [
    {
      "page": "add_marginal",
      "title": "Add marginal distributions to a plot",
      "topics": [
        "add_marginal"
      ]
    },
    {
      "page": "add_selection",
      "title": "Register a free-standing selection on a plot",
      "topics": [
        "add_selection"
      ]
    },
    {
      "page": "after_stat",
      "title": "Map an aesthetic to a statistic computed by a stat",
      "topics": [
        "after_stat"
      ]
    },
    {
      "page": "anim_save",
      "title": "Write a keyframe animation to a file",
      "topics": [
        "anim_save"
      ]
    },
    {
      "page": "animate",
      "title": "Build a keyframe animation from a plot",
      "topics": [
        "animate"
      ]
    },
    {
      "page": "annotate",
      "title": "Add a one-off annotation",
      "topics": [
        "annotate"
      ]
    },
    {
      "page": "area",
      "title": "Define a layout area for design =",
      "topics": [
        "area"
      ]
    },
    {
      "page": "as_spec",
      "title": "Serialize a plot to a plain spec (and back)",
      "topics": [
        "as_spec",
        "from_spec"
      ]
    },
    {
      "page": "bind_scale",
      "title": "Bind a panel's view to a selection (overview + detail)",
      "topics": [
        "bind_scale"
      ]
    },
    {
      "page": "clip",
      "title": "Clip or mask a plot to a geometry",
      "topics": [
        "clip",
        "clip_layer",
        "clip_to",
        "set_mask"
      ]
    },
    {
      "page": "compose_annotation",
      "title": "Annotate a composition",
      "topics": [
        "compose_annotation"
      ]
    },
    {
      "page": "concat",
      "title": "Arrange plots side by side",
      "topics": [
        "concat",
        "hconcat",
        "vconcat",
        "wrap_plots"
      ]
    },
    {
      "page": "condition",
      "title": "Conditional encoding: style by selection membership",
      "topics": [
        "condition"
      ]
    },
    {
      "page": "coord_cartesian",
      "title": "Coordinate systems",
      "topics": [
        "coord_cartesian",
        "coord_equal",
        "coord_fixed",
        "coord_flip"
      ]
    },
    {
      "page": "coord_polar",
      "title": "Polar coordinates",
      "topics": [
        "coord_polar",
        "coord_radial"
      ]
    },
    {
      "page": "coord_sf",
      "title": "Map coordinate system",
      "topics": [
        "coord_sf"
      ]
    },
    {
      "page": "coord_trans",
      "title": "Transformed coordinate system",
      "topics": [
        "coord_trans"
      ]
    },
    {
      "page": "ease_aes",
      "title": "Set the easing of an animation's frames",
      "topics": [
        "ease_aes"
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    },
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      "page": "element",
      "title": "Theme elements",
      "topics": [
        "element",
        "element_blank",
        "element_line",
        "element_rect",
        "element_text"
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    },
    {
      "page": "facet_wrap",
      "title": "Facet a plot into a grid of panels",
      "topics": [
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        "facet_wrap"
      ]
    },
    {
      "page": "filter_by",
      "title": "Filter a view by a selection",
      "topics": [
        "filter_by"
      ]
    },
    {
      "page": "glow",
      "title": "Neon glow layer effect",
      "topics": [
        "glow"
      ]
    },
    {
      "page": "gradients",
      "title": "Gradient fill paints",
      "topics": [
        "gradients",
        "linear_gradient",
        "radial_gradient"
      ]
    },
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      "page": "gt_vsparkline",
      "title": "Add a vellumplot sparkline column to a 'gt' table",
      "topics": [
        "gt_vsparkline"
      ]
    },
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      "page": "guides",
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      "topics": [
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        "guide_colorbar",
        "guide_colorsteps",
        "guide_colourbar",
        "guide_coloursteps",
        "guide_legend",
        "guide_none"
      ]
    },
    {
      "page": "inset",
      "title": "Overlay a plot as an inset",
      "topics": [
        "inset"
      ]
    },
    {
      "page": "inspect_source",
      "title": "Inspect the data behind a clicked element (click-to-source)",
      "topics": [
        "inspect_source"
      ]
    },
    {
      "page": "interaction_model",
      "title": "The interaction model of a compiled plot",
      "topics": [
        "interaction_model"
      ]
    },
    {
      "page": "labs",
      "title": "Set plot titles and axis/legend labels",
      "topics": [
        "labs"
      ]
    },
    {
      "page": "lims",
      "title": "Set scale limits with a shortcut",
      "topics": [
        "lims",
        "xlim",
        "ylim"
      ]
    },
    {
      "page": "map_decorations",
      "title": "Map decorations",
      "topics": [
        "map_decorations",
        "mark_compass",
        "mark_scalebar"
      ]
    },
    {
      "page": "mark_abline",
      "title": "Reference lines and function curves",
      "topics": [
        "mark_abline",
        "mark_function"
      ]
    },
    {
      "page": "mark_area",
      "title": "Area, ribbon, and step marks",
      "topics": [
        "mark_area",
        "mark_ribbon",
        "mark_step"
      ]
    },
    {
      "page": "mark_boxplot",
      "title": "Boxplot, error bar, and summary marks",
      "topics": [
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        "mark_crossbar",
        "mark_errorbar",
        "mark_linerange",
        "mark_pointrange",
        "mark_summary"
      ]
    },
    {
      "page": "mark_contour",
      "title": "2-D density contours",
      "topics": [
        "mark_contour",
        "mark_contour_filled"
      ]
    },
    {
      "page": "mark_count",
      "title": "Count overlapping points",
      "topics": [
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      ]
    },
    {
      "page": "mark_datashade",
      "title": "Datashade a large point cloud",
      "topics": [
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      ]
    },
    {
      "page": "mark_ecdf",
      "title": "Distribution marks",
      "topics": [
        "mark_ecdf",
        "mark_qq",
        "mark_qq_line",
        "mark_rug"
      ]
    },
    {
      "page": "mark_ellipse",
      "title": "Group summary regions",
      "topics": [
        "mark_ellipse",
        "mark_hull"
      ]
    },
    {
      "page": "mark_graph",
      "title": "Network (graph) marks",
      "topics": [
        "mark_edges",
        "mark_edge_bundle",
        "mark_edge_text",
        "mark_flow_map",
        "mark_graph",
        "mark_nodes",
        "mark_node_hull",
        "mark_node_pie",
        "mark_node_text"
      ]
    },
    {
      "page": "mark_halfeye",
      "title": "Uncertainty marks (slab + interval)",
      "topics": [
        "mark_halfeye",
        "mark_interval"
      ]
    },
    {
      "page": "mark_histogram",
      "title": "Statistical marks",
      "topics": [
        "mark_histogram",
        "mark_smooth"
      ]
    },
    {
      "page": "mark_image",
      "title": "Draw images at data points",
      "topics": [
        "mark_image"
      ]
    },
    {
      "page": "mark_outlier_label",
      "title": "Label the outliers",
      "topics": [
        "mark_outlier_label"
      ]
    },
    {
      "page": "mark_pie",
      "title": "Pie and donut charts",
      "topics": [
        "mark_donut",
        "mark_pie"
      ]
    },
    {
      "page": "mark_point",
      "title": "Add marks to a plot",
      "topics": [
        "mark_bar",
        "mark_line",
        "mark_point",
        "mark_rule"
      ]
    },
    {
      "page": "mark_raincloud",
      "title": "Raincloud plot",
      "topics": [
        "mark_raincloud"
      ]
    },
    {
      "page": "mark_segment",
      "title": "Segment mark",
      "topics": [
        "mark_segment"
      ]
    },
    {
      "page": "mark_series_label",
      "title": "Direct series labels",
      "topics": [
        "mark_series_label"
      ]
    },
    {
      "page": "mark_sf",
      "title": "Draw simple-feature (sf) geometries",
      "topics": [
        "mark_sf"
      ]
    },
    {
      "page": "mark_sf_label",
      "title": "Label sf features at their interior point",
      "topics": [
        "mark_sf_label"
      ]
    },
    {
      "page": "mark_signif",
      "title": "Significance brackets",
      "topics": [
        "mark_signif"
      ]
    },
    {
      "page": "mark_text",
      "title": "Text marks",
      "topics": [
        "mark_label",
        "mark_text"
      ]
    },
    {
      "page": "mark_text_path",
      "title": "Text set along a path",
      "topics": [
        "mark_text_path"
      ]
    },
    {
      "page": "mark_tile",
      "title": "Heatmap marks",
      "topics": [
        "mark_bin2d",
        "mark_density",
        "mark_hex",
        "mark_raster",
        "mark_tile"
      ]
    },
    {
      "page": "mark_violin",
      "title": "Density-shape marks",
      "topics": [
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        "mark_ridgeline",
        "mark_violin"
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    },
    {
      "page": "mcp_serve",
      "title": "Run the vellumplot MCP server",
      "topics": [
        "mcp_serve"
      ]
    },
    {
      "page": "md",
      "title": "Rich-text labels",
      "topics": [
        "md"
      ]
    },
    {
      "page": "motion",
      "title": "Motion-trail layer effects",
      "topics": [
        "echo",
        "motion"
      ]
    },
    {
      "page": "outline",
      "title": "Outline (halo) layer effect",
      "topics": [
        "outline"
      ]
    },
    {
      "page": "pattern_hatch",
      "title": "Crisp vector hatch fill",
      "topics": [
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      ]
    },
    {
      "page": "patterns",
      "title": "Pattern (hatch) fills",
      "topics": [
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        "pattern_checker",
        "pattern_crosshatch",
        "pattern_dot",
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        "pattern_stripe"
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      "topics": [
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    },
    {
      "page": "plot_alt",
      "title": "Text alternative (alt text) for a plot",
      "topics": [
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    },
    {
      "page": "plot_data_uri",
      "title": "Encode a plot as a data URI",
      "topics": [
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    },
    {
      "page": "plot_lint",
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    {
      "page": "plot_manifest",
      "title": "A reproducibility manifest for a plot",
      "topics": [
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    },
    {
      "page": "plot_provenance",
      "title": "Inspect the compiled-scene provenance of a plot",
      "topics": [
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    },
    {
      "page": "plot_spacer",
      "title": "Reserve an empty cell in a composition",
      "topics": [
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    },
    {
      "page": "plot_svg",
      "title": "Render a plot to a self-contained SVG string",
      "topics": [
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    },
    {
      "page": "plot_verify",
      "title": "Verify a rendered figure against its data",
      "topics": [
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    },
    {
      "page": "PlotSpec",
      "title": "The plot specification",
      "topics": [
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      ]
    },
    {
      "page": "position",
      "title": "Position adjustments",
      "topics": [
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        "position_dodge",
        "position_dodge2",
        "position_jitter",
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        "position_nudge",
        "position_sina"
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    },
    {
      "page": "provenance_join",
      "title": "Join a plot's provenance to its rendered geometry",
      "topics": [
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    },
    {
      "page": "provenance_payload",
      "title": "A widget-ready provenance payload (click-to-source)",
      "topics": [
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    {
      "page": "render_all",
      "title": "Render many plots to separate files, in parallel",
      "topics": [
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    },
    {
      "page": "render_plot",
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      "topics": [
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      "page": "repeat_",
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      "topics": [
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      "page": "resolve_scale",
      "title": "Resolve scales as shared or independent across panels",
      "topics": [
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    {
      "page": "scale_alpha",
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      "topics": [
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    },
    {
      "page": "scale_color_continuous",
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    },
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      "page": "scale_edge",
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        "scale_edge_color",
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    },
    {
      "page": "scale_fill_binned",
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      "page": "scale_size",
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    {
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      "title": "The vellumplot spec JSON Schema",
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