Fix spelling (#2398)

* spelling: ; otherwise,

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* spelling: a

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* spelling: an

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* spelling: and

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* spelling: below is

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* spelling: cyclical

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* spelling: fall back

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* spelling: for

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* spelling: gridless

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* spelling: hiding

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* spelling: horizontal

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* spelling: https

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* spelling: hyphenated

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* spelling: initialize

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* spelling: median

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* spelling: of medians

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* spelling: or missing

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* spelling: otherwise,

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* spelling: shouldn't

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* spelling: simpsons

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* spelling: specified

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* spelling: that

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* spelling: the given specified

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* spelling: the

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* spelling: though only

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* spelling: visualizing

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* spelling: where

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---------

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Author: jsoref

CHANGELOG-2021.md

@@ -172,7 +172,7 @@ Update [Observable Hypertext Literal](https://github.com/observablehq/htl) to [0
 
 [Released September 24, 2021.](https://github.com/observablehq/plot/releases/tag/v0.2.3)
 
-Rect, bar, and rule marks now accept an *interval* option that allows you to derive *x1* and *x2* from *x*, or *y1* and *y2* from *y*, where appropriate. For example, using d3.utcDay as the interval creates rects that span from UTC midnight to UTC midnight, bounding the associated time instant. The interval is typically specifed as a [D3 time interval](https://github.com/d3/d3-time/blob/main/README.md), but may be any compatible object which implements *interval*.floor and *interval*.offset: *interval*.floor(*x*) returns the start of the interval *x1* for the given *x*, while *interval*.offset(*x*) returns the end of the interval *x2* for the given interval start *x*. If the interval is specified as a number *n*, *x1* and *x2* are the two consecutive multiples of *n* that bracket *x*.
+Rect, bar, and rule marks now accept an *interval* option that allows you to derive *x1* and *x2* from *x*, or *y1* and *y2* from *y*, where appropriate. For example, using d3.utcDay as the interval creates rects that span from UTC midnight to UTC midnight, bounding the associated time instant. The interval is typically specified as a [D3 time interval](https://github.com/d3/d3-time/blob/main/README.md), but may be any compatible object which implements *interval*.floor and *interval*.offset: *interval*.floor(*x*) returns the start of the interval *x1* for the given *x*, while *interval*.offset(*x*) returns the end of the interval *x2* for the given interval start *x*. If the interval is specified as a number *n*, *x1* and *x2* are the two consecutive multiples of *n* that bracket *x*.
 
 The new Plot.normalize and Plot.window methods return map methods for use in conjunction with Plot.map. This allows greater flexibility; for example, you can apply separate window methods to *y1* and *y2* to produce Bollinger bands.
 

CHANGELOG-2022.md

@@ -367,7 +367,7 @@ Plot.plot({
 })
 ```
 
-The [line](https://observablehq.com/plot/marks/line) and [area](https://observablehq.com/plot/marks/area) marks (specifically lineX, lineY, areaX, and areaY) now support an implicit [bin transform](https://observablehq.com/plot/transforms/bin) with the **interval** option. This can be used to “regularize” time series data, say to show gaps or default to zero when data is missing, rather than interpolating across missing data. This is also useful for stacking time series data that is sampled at irregular intervals or with missing samples.
+The [line](https://observablehq.com/plot/marks/line) and [area](https://observablehq.com/plot/marks/area) marks (specifically lineX, lineY, areaX, and areaY) now support an implicit [bin transform](https://observablehq.com/plot/transforms/bin) with the **interval** option. This can be used to “regularize” time series data, say to show gaps or default to zero when data is missing, rather than interpolating across missing data. This is also useful for stacking time series data that is sampled at irregular intervals or missing samples.
 
 <img src="./img/sparse-series.png" width="640" alt="a time-series area chart showing downloads per day with gaps for missing data">
 
@@ -429,7 +429,7 @@ function Likert(
 
 The new [_quantize_ scale type](https://observablehq.com/plot/features/scales#color-scale-options) transforms a continuous domain into discrete, evenly-spaced thresholds. The _threshold_ scale type now supports domains in descending order (in addition to ascending order), such as [20, 10, 5, 0] instead of [0, 5, 10, 20].
 
-<img src="./img/quantize.png" width="640" alt="a scatterplot of Simpsons episodes showing the correlation between number of U.S. viewers and IMDb rating; the decline of the Simspons over time is shown with a quantized color encoding by season">
+<img src="./img/quantize.png" width="640" alt="a scatterplot of Simpsons episodes showing the correlation between number of U.S. viewers and IMDb rating; the decline of the Simpsons over time is shown with a quantized color encoding by season">
 
 ```js
 Plot.plot({
@@ -471,7 +471,7 @@ Plot.boxX(morley, {x: "Speed", y: "Expt"}).plot({x: {grid: true, inset: 6}})
 Plot.barY(d3.range(20).map(Math.random)).plot()
 ```
 
-The mark [sort option](https://observablehq.com/plot/features/scales#sort-mark-option) now supports implicit “width” and “height” channels, defined as |*x2* - *x1*| and |*y2* - *y1*| respectively. These channels are useful for sorting rects and bars by length. The *reverse* option defaults to true when sorting by these channels. When sorting by *y* and no *y* channel is available, sorting will now fallback to *y2* if available; the same fallback logic applies to *x* and *x2*. (This behavior was previously supported on marks that support implicit stacking but now applies universally to all marks.)
+The mark [sort option](https://observablehq.com/plot/features/scales#sort-mark-option) now supports implicit “width” and “height” channels, defined as |*x2* - *x1*| and |*y2* - *y1*| respectively. These channels are useful for sorting rects and bars by length. The *reverse* option defaults to true when sorting by these channels. When sorting by *y* and no *y* channel is available, sorting will now fall back to *y2* if available; the same fallback logic applies to *x* and *x2*. (This behavior was previously supported on marks that support implicit stacking but now applies universally to all marks.)
 
 <img src="./img/sort-length.png" width="640" alt="a bar chart of energy production by source from 1949 to present, with categorical colors assigned in order of the tallest bar">
 
@@ -583,7 +583,7 @@ Plot.vector((T => d3.cross(T, T))(d3.ticks(0, 2 * Math.PI, 20)), {
 })
 ```
 
-The [dot mark](https://observablehq.com/plot/marks/dot) now supports a *symbol* option to control the displayed shape, which defaults to *circle*. The *symbol* channel (and associated *symbol* scale) can also be used as an categorical encoding. The default symbol set is based on whether symbols are stroked or filled, improving differentiability and giving uniform weight. Plot supports all of D3’s built-in symbol types: *circle*, *cross*, *diamond*, *square*, *star*, *triangle*, and *wye* (for fill) and *circle*, *plus*, *times*, *triangle2*, *asterisk*, *square2*, and *diamond2* (for stroke, based on [Heman Robinson’s research](https://www.tandfonline.com/doi/abs/10.1080/10618600.2019.1637746)); you can also implement a [custom symbol type](https://d3js.org/d3-shape/symbol#custom-symbols).
+The [dot mark](https://observablehq.com/plot/marks/dot) now supports a *symbol* option to control the displayed shape, which defaults to *circle*. The *symbol* channel (and associated *symbol* scale) can also be used as a categorical encoding. The default symbol set is based on whether symbols are stroked or filled, improving differentiability and giving uniform weight. Plot supports all of D3’s built-in symbol types: *circle*, *cross*, *diamond*, *square*, *star*, *triangle*, and *wye* (for fill) and *circle*, *plus*, *times*, *triangle2*, *asterisk*, *square2*, and *diamond2* (for stroke, based on [Heman Robinson’s research](https://www.tandfonline.com/doi/abs/10.1080/10618600.2019.1637746)); you can also implement a [custom symbol type](https://d3js.org/d3-shape/symbol#custom-symbols).
 
 [<img src="./img/symbol.png" width="660" alt="a scatterplot of penguins by mass and flipper length">](https://observablehq.com/plot/marks/dot)
 

CHANGELOG-2023.md

@@ -315,7 +315,7 @@ The [barycentric interpolator](https://observablehq.com/plot/marks/raster#interp
 
 <img src="./img/barycentric-before-after.png" width="640" alt="A before-and-after comparison of the barycentric interpolator applied to three sample points; in the new algorithm, lines radiate outward perpendicular from the triangle’s sides, producing a more coherent and understandable image.">
 
-The [tip mark](https://observablehq.com/plot/marks/tip) now automatically sets the pointer-events attribute to *none* when associated with the [pointer transform](https://observablehq.com/plot/interactions/pointer) when the the pointer is not sticky, as when hovering a chart without clicking to lock the pointer. This prevents the tip mark from interfering with interaction on other marks, such as clickable links.
+The [tip mark](https://observablehq.com/plot/marks/tip) now automatically sets the pointer-events attribute to *none* when associated with the [pointer transform](https://observablehq.com/plot/interactions/pointer) when the pointer is not sticky, as when hovering a chart without clicking to lock the pointer. This prevents the tip mark from interfering with interaction on other marks, such as clickable links.
 
 The [auto mark](https://observablehq.com/plot/marks/auto) now renders as a cell, instead of a degenerate invisible rect, when **x** and **y** are both ordinal and the **mark** option is set to *bar*. The [tree mark](https://observablehq.com/plot/marks/tree) no longer produces duplicate tips with the **tip** option. The [rule mark](https://observablehq.com/plot/marks/rule) now respects the top-level **document** option, if any, when using the **clip** option. The [axis mark](https://observablehq.com/plot/marks/axis) now correctly handles the **sort**, **filter**, **reverse**, and **initializer** options.
 
@@ -697,7 +697,7 @@ Plot.plot({
 
 The *x* and *y* axes are now automatically repeated in empty facets, improving readability by reducing eye travel to read tick values. Below, note that the *x* axis for culmen depth (with ticks at 15 and 20 mm) is rendered below the Adelie/null-sex facet in the top-right.
 
-[<img src="./img/facet-axes.webp" width="640" alt="A scatterplot showing the culmen length and depth of various penguins, faceted by species and sex; the facets are arranged in a grid, with the y-axis on the left and the x-axis on the bottom.">](ttps://observablehq.com/plot/marks/axis)
+[<img src="./img/facet-axes.webp" width="640" alt="A scatterplot showing the culmen length and depth of various penguins, faceted by species and sex; the facets are arranged in a grid, with the y-axis on the left and the x-axis on the bottom.">](https://observablehq.com/plot/marks/axis)
 
 ```js
 Plot.plot({

CHANGELOG-2024.md

@@ -120,7 +120,7 @@ Changes the default categorical color scheme to *Observable10*.
 
 The group transform now preserves the input order of groups by default, making it easier to sort groups by using the **sort** option. The group and bin transforms now support the *z* reducer.
 
-Improves the accessibility of axes by hidding tick marks and grid lines from the accessibility tree.
+Improves the accessibility of axes by hiding tick marks and grid lines from the accessibility tree.
 
 Upgrades D3 to 7.9.0.
 

docs/features/curves.md

@@ -67,7 +67,7 @@ The following named curve methods are supported:
 * *bundle* - a straightened cubic basis spline (suitable for lines only, not areas)
 * *cardinal* - a cubic cardinal spline (with one-sided differences at the ends)
 * *cardinal-open* - an open cubic cardinal spline
-* *cardinal-closed* - an closed cubic cardinal spline
+* *cardinal-closed* - a closed cubic cardinal spline
 * *catmull-rom* - a cubic Catmull–Rom spline (with one-sided differences at the ends)
 * *catmull-rom-open* - an open cubic Catmull–Rom spline
 * *catmull-rom-closed* - a closed cubic Catmull–Rom spline

docs/features/markers.md

@@ -62,6 +62,6 @@ The following named markers are supported:
 
 If **marker** is true, it defaults to *circle*. If **marker** is a function, it will be called with a given *color* and must return an [SVG marker element](https://developer.mozilla.org/en-US/docs/Web/SVG/Element/marker).
 
-The primary color of a marker is inherited from the *stroke* of the associated mark. The *arrow* marker is [automatically oriented](https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/orient) such that it points in the tangential direction of the path at the position the marker is placed. The *circle* markers are centered around the given vertex.
+The primary color of a marker is inherited from the *stroke* of the associated mark. The *arrow* marker is [automatically oriented](https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute/orient) such that it points in the tangential direction of the path at the position where the marker is placed. The *circle* markers are centered around the given vertex.
 
 For lines whose [curve](./curves.md) is not *linear*, markers are not necessarily drawn at the data positions given by **x** and **y**; marker placement is determined by the (possibly Bézier) path segments generated by the curve. To ensure that symbols are drawn at a given **x** and **y** position, consider using a [dot mark](../marks/dot.md) instead.

docs/features/projections.md

@@ -163,7 +163,7 @@ Plot.plot({
 circle = d3.geoCircle().center([9, 34]).radius(radius)()
 ```
 
-If none of Plot’s built-in projections meet your needs, you can use any of [D3’s extended projections](https://github.com/d3/d3-geo-projection) by specifying the **projection** option as a function that returns a D3 projection. Below, a map of Antarctica in a polar aspect of the *azimuthal-equidistant* projection.
+If none of Plot’s built-in projections meet your needs, you can use any of [D3’s extended projections](https://github.com/d3/d3-geo-projection) by specifying the **projection** option as a function that returns a D3 projection. Below is a map of Antarctica in a polar aspect of the *azimuthal-equidistant* projection.
 
 :::plot defer https://observablehq.com/@observablehq/plot-polar-projection
 ```js

docs/features/scales.md

@@ -842,7 +842,7 @@ Plot.plot({
 
 Picking a diverging color scheme name defaults the scale type to *diverging*; set the scale type to *linear* to treat the color scheme as sequential instead. Diverging color scales support a *scale*.**pivot** option, which defaults to zero. Values below the pivot will use the lower half of the color scheme (*e.g.*, reds for the *rdgy* scheme), while values above the pivot will use the upper half (grays for *rdgy*).
 
-The following cylical color schemes are supported:
+The following cyclical color schemes are supported:
 
 :::plot defer hidden
 ```js

docs/marks/area.md

@@ -190,7 +190,7 @@ Plot.plot({
 ```
 :::
 
-The **z** channel determines how data is grouped: if the **z** channel is not specified, but a varying **fill** channel is, the **fill** channel is used for **z**; the **z** channel will further fallback to a varying **stroke** channel if needed.
+The **z** channel determines how data is grouped: if the **z** channel is not specified, but a varying **fill** channel is, the **fill** channel is used for **z**; the **z** channel will further fall back to a varying **stroke** channel if needed.
 
 The **z** channel (either implicitly or explicitly) is typically used with the [stack transform](../transforms/stack.md) for a stacked area chart or streamgraph. You can disable the implicit stack transform and produce overlapping areas by setting **y2** instead of **y**.
 

docs/marks/line.md

@@ -230,7 +230,7 @@ Plot.plot({
 
 When using **z**, lines are drawn in input order. The [sort transform](../transforms/sort.md) above places the red lines on top of the gray ones to improve readability.
 
-As an alternative to **z**, you can render multiple lines using multiple marks. While more verbose, this allows you to choose different options for each line. For example, below we plot the a 14-day moving average of the daily highs and lows in temperate San Francisco using the [window transform](../transforms/window.md).
+As an alternative to **z**, you can render multiple lines using multiple marks. While more verbose, this allows you to choose different options for each line. For example, below we plot a 14-day moving average of the daily highs and lows in temperate San Francisco using the [window transform](../transforms/window.md).
 
 :::plot defer https://observablehq.com/@observablehq/plot-moving-average-line
 ```js