Add missing SVG-element-name-case adjustment in the foreign-content processing

HTMLKit/HTMLElementAdjustment.h

@@ -87,3 +87,48 @@ NS_INLINE void AdjustSVGAttributes(HTMLTagToken *token)
 	}
 	token.attributes = adjusted;
 }
+
+NS_INLINE void AdjustSVGNameCase(HTMLTagToken *token)
+{
+	NSDictionary *replacements = @{
+								   @"altglyph": @"altGlyph",
+								   @"altglyphdef": @"altGlyphDef",
+								   @"altglyphitem": @"altGlyphItem",
+								   @"animatecolor": @"animateColor",
+								   @"animatemotion": @"animateMotion",
+								   @"animatetransform": @"animateTransform",
+								   @"clippath": @"clipPath",
+								   @"feblend": @"feBlend",
+								   @"fecolormatrix": @"feColorMatrix",
+								   @"fecomponenttransfer": @"feComponentTransfer",
+								   @"fecomposite": @"feComposite",
+								   @"feconvolvematrix": @"feConvolveMatrix",
+								   @"fediffuselighting": @"feDiffuseLighting",
+								   @"fedisplacementmap": @"feDisplacementMap",
+								   @"fedistantlight": @"feDistantLight",
+								   @"fedropshadow": @"feDropShadow",
+								   @"feflood": @"feFlood",
+								   @"fefunca": @"feFuncA",
+								   @"fefuncb": @"feFuncB",
+								   @"fefuncg": @"feFuncG",
+								   @"fefuncr": @"feFuncR",
+								   @"fegaussianblur": @"feGaussianBlur",
+								   @"feimage": @"feImage",
+								   @"femerge": @"feMerge",
+								   @"femergenode": @"feMergeNode",
+								   @"femorphology": @"feMorphology",
+								   @"feoffset": @"feOffset",
+								   @"fepointlight": @"fePointLight",
+								   @"fespecularlighting": @"feSpecularLighting",
+								   @"fespotlight": @"feSpotLight",
+								   @"fetile": @"feTile",
+								   @"feturbulence": @"feTurbulence",
+								   @"foreignobject": @"foreignObject",
+								   @"glyphref": @"glyphRef",
+								   @"lineargradient": @"linearGradient",
+								   @"radialgradient": @"radialGradient",
+								   @"textpath": @"textPath"};
+
+	NSString *replacement = replacements[token.tagName] ?: token.tagName;
+	token.tagName = replacement;
+}

HTMLKit/HTMLParser.m

@@ -2337,6 +2337,7 @@
 					AdjustMathMLAttributes(token.asTagToken);
 				}
 				if (self.adjustedCurrentNode.namespace == HTMLNamespaceSVG) {
+					AdjustSVGNameCase(token.asTagToken);
 					AdjustSVGAttributes(token.asTagToken);
 				}
 				// "Adjust foreign attributes": Attributes' namespace ignored