[css-color-4] Gamut mapping small editorial fixes

Author: LeaVerou

css-color-4/Overview.bs

@@ -252,22 +252,22 @@ Value Definitions
 	
 		
 		width=500 height=464
-			alt="uv chromaticity diagram of the display-p3 colorspace">
+			alt="uv chromaticity diagram of the display-p3 color space">
 		A chromaticity diagram showing
-			(in solid colors) the ''display-p3'' colorspace
+			(in solid colors) the ''display-p3'' color space
 			and for comparison
-			(faded) the ''sRGB'' colorspace.
+			(faded) the ''sRGB'' color space.
 			The white point (D65) is also shown.
 		
 	
 
-	RGB colorspaces are additive,
+	RGB color spaces are additive,
 	and their gamut is defined
 	by the chromaticities of the red, green and blue primaries,
 	plus the chromaticity of the white point
 	(the color formed by all three primaries at full intensity).
 
-	Most colorspaces use one of a few
+	Most color spaces use one of a few
 	daylight-simulating [=white points=],
 	which are named by the color temperature
 	of the corresponding black-body radiator.
@@ -3118,7 +3118,7 @@ Device-independent Colors: CIE Lab and LCH, OKLab and OKLCH
 
 	These deficiencies affect, for example,
 	creation of evenly spaced gradients,
-	gamut mapping from one colorspace to a smaller one,
+	gamut mapping from one color space to a smaller one,
 	and computation of the visual difference between two colors.
 
 	To compensate for this,
@@ -3162,7 +3162,7 @@ Device-independent Colors: CIE Lab and LCH, OKLab and OKLCH
 	and negative are the complementary blue/violet.
 
 	The illuminant is [=D65=], the same white point
-	as most RGB colorspaces.
+	as most RGB color spaces.
 
 	OKLCH has the same L axis as OKLab,
 	but uses polar coordinates C (chroma) and H (hue).
@@ -3646,7 +3646,7 @@ Predefined Color Spaces
 Predefined sRGB space
 
 
-	The sRGB predefined colorspace
+	The sRGB predefined color space
 	defined below
 	is the same as is used for legacy sRGB colors,
 	such as ''rgb()''.
@@ -3715,7 +3715,7 @@ Predefined Color Spaces
 Predefined sRGB-linear space
 
 
-		The sRGB-linear predefined colorspace
+		The sRGB-linear predefined color space
 		is the same as ''srgb''
 		except that the transfer function
 		is linear-light (there is no gamma-encoding).
@@ -4162,7 +4162,7 @@ Converting Lab or OKLab to predefined RGB color spaces
 	Converting between predefined RGB color spaces
 
 
-	Conversion from one predefined RGB colorspace to another
+	Conversion from one predefined RGB color space to another
 	requires multiple steps,
 	one of which is only needed when the whitepoints differ.
 	To convert from src to dest:
@@ -4650,16 +4650,16 @@ Gamut Mapping
 
 This section is non-normative
 
-	When a color in an origin colorspace
-	is converted to another, destination colorspace
+	When a color in an origin color space
+	is converted to another, destination color space
 	which has a smaller gamut,
 	some colors will be outside the destination gamut.
 
 	For intermediate color calculations,
 	these out of gamut values are preserved.
 	However, if the destination is the display device
 	(a screen, or a printer)
-	then out of gamut values ust be converted to
+	then out of gamut values must be converted to
 	an in-gamut color.
 
 	Gamut mapping is the process of finding an in-gamut color
@@ -4668,21 +4668,21 @@ Gamut Mapping
 	The simplest and least acceptable method
 	is simply to clip the component values
 	to the displayable range.
-	This changes the proportions of (for an RGB display)
-	the three primary colors,
+	This changes the proportions of
+	the three primary colors (for an RGB display),
 	resulting in a hue shift.
 
-	A better method is to mapped colors
-	in a perceptually uniform colorspace,
+	A better method is to map colors
+	in a perceptually uniform color space,
 	by finding the closest in-gamut color
 	(so-called minimum ΔE or MINDE).
 	Clearly, the sucess of this technique
 	depends on
-	the degree of uniformity of the gamut mapping colorspace
+	the degree of uniformity of the gamut mapping color space
 	and the predictive accuracy of the deltaE function used.
 
 	However, when doing gamut mapping
-	(and we are really talking about gamut reduction, here),
+	
 	changes in Hue are particularly objectionable;
 	changes in Chroma are more tolerable,
 	and
@@ -4692,32 +4692,36 @@ Gamut Mapping
 	and thus gives suboptimal results.
 
 	To improve on MINDE algorithms,
-	colors are mapped in a perceptually uniform, polar colorspace
+	colors are mapped in a perceptually uniform, polar color space
 	by holding the hue constant,
 	and reducing the chroma until the color falls in gamut.
 
 
 	In this example, Display P3 primary yellow
+	(color(display-p3 1 1 0))
 	is being mapped to an sRGB display.
-	The gamut mapping colorspace is OKLCH.
+	The gamut mapping color space is OKLCH.
 
-	
-	color(display-p3 1 1 0) is
-	color(srgb 1 1 -0.3463) which is
-	color(oklch 0.96476 0.24503 110.23).
-	
+	color(display-p3 1 1 0)
+	is
+	color(srgb 1 1 -0.3463)
+	which is
+	<pre class="lang-css">color(oklch 0.96476 0.24503 110.23)</pre>
 
 	By progressively reducing the chroma component
 	until the resulting color falls inside the sRGB gamut
 	(has no components negative, or greater than one)
 	a gamut mapped color is obtained.
 
 	
-	   color(oklch 0.96476 0.21094 110.23)	which is
+	   color(oklch 0.96476 0.21094 110.23)
+	which is
+	
 	   color(srgb 0.99116 0.99733 0.00001)
 	
 	
-		A constant-hue slice of OKLCH colorspace.
+		
+		A constant-hue slice of OKLCH color space.
 			The vertical axis represents lightness,
 			the horizontal axis is chroma.
 			The color to be mapped,
@@ -4729,7 +4733,6 @@ Gamut Mapping
 			The gamut boundary of sRGB
 			is shown in green.
 		
-		
 	
 
 
@@ -4746,15 +4749,15 @@ Gamut Mapping
 	The line of constant lightness can skim just above the gamut boundary,
 	resulting in an excessively low chroma in those cases.
 
-	The choice of colorspace will affect the acceptability of the gamut mapped colors.
+	The choice of color space will affect the acceptability of the gamut mapped colors.
 
-	Note: Using the CIE LCH colorspace
+	Note: Using the CIE LCH color space
 	and deltaE2000 distance metric,
 	is known to give suboptimal results
 	with significant hue shifts,
 	for colors in the hue range
 	270° to 330°.
-	Using OKLCH colorspace
+	Using OKLCH color space
 	and deltaEOK distance metric
 	avoids this issue.
 
@@ -4787,11 +4790,11 @@ Gamut Mapping
 	and detail and texture must be preserved,
 	a perceptual rendering intent is more appropriate
 	and in that case,
-	colors inside the destinatin gamut
+	colors inside the destination gamut
 	may well be changed.
 
-	CSS gamut mapping occurs in the OKLCH colorspace,
-	and the color difference formula used is deltaEOK.
+	CSS gamut mapping occurs in the OKLCH color space,
+	and the color difference formula used is deltaEOK.
 
 	The skimming/concavity problem is substantialy improved
 	by a two-stage in-gamut check.
@@ -4815,7 +4818,7 @@ Gamut Mapping
 	and a clipped version of that point
 	exceeds one JND.
 
-	For the OKLCH colorspace,
+	For the OKLCH color space,
 	one JND is is an OKLCH difference of 0.02.
 
 
@@ -5214,7 +5217,7 @@ Changes
 
 
 	Computed value of color(xyz ...) is color(xyz-d65 ...)
-	Added srgb-linear to interpolation colorspaces
+	Added srgb-linear to interpolation color spaces
 	Updated Changes from Colors 3 section
 	Added Resolving OKLab and OKLCH values section
 	
@@ -5260,7 +5263,7 @@ Changes
 	Clarified which steps are linear combinations in RGB Lab interconversion
 	
 	Added components descriptor to @color-profile, for use in CSS Color 5
-	All predefined RGB colorspaces are defined over the extended range
+	All predefined RGB color spaces are defined over the extended range
 	Clarified that there is no gamut mapping or gamut clipping step prior to color interpolation
 	Clarified interpolation of legacy sRGB syntaxes
 	Removed the lab option from ''color()''