From 099cae0989f0ef3db52de99fb0d1e562465f5a02 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Sun, 19 Nov 2023 11:39:13 -0500
Subject: [PATCH] src/svgtiny.c: use case-sensitive comparisons for SVG element
 names

SVG is XML and its element names are therefore case-sensitive. We
switch to case-sensitive comparisons to avoid rendering elements
(e.g. <RECT />) that other SVG clients (e.g. Firefox) will not.
---
 src/svgtiny.c | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/src/svgtiny.c b/src/svgtiny.c
index 165fc21..98a84d4 100644
--- a/src/svgtiny.c
+++ b/src/svgtiny.c
@@ -703,7 +703,7 @@ svgtiny_code svgtiny_parse(struct svgtiny_diagram *diagram,
 		dom_node_unref(document);
 		return svgtiny_LIBDOM_ERROR;
 	}
-	if (!dom_string_caseless_lwc_isequal(svg_name, svg_name_lwc)) {
+	if (!dom_string_lwc_isequal(svg_name, svg_name_lwc)) {
 		lwc_string_unref(svg_name_lwc);
 		dom_string_unref(svg_name);
 		dom_node_unref(svg);
@@ -945,7 +945,7 @@ svgtiny_code svgtiny_preparse_styles(dom_element *svg,
 				return svgtiny_LIBDOM_ERROR;
 			}
 
-			if (dom_string_caseless_isequal(state.interned_style,
+			if (dom_string_isequal(state.interned_style,
 							nodename)) {
 				/* We have a <style> element, parse it */
 				code = svgtiny_parse_style_element(child,
@@ -1048,37 +1048,37 @@ svgtiny_code svgtiny_parse_svg(dom_element *svg,
 				svgtiny_cleanup_state_local(&state);
 				return svgtiny_LIBDOM_ERROR;
 			}
-			if (dom_string_caseless_isequal(state.interned_svg,
+			if (dom_string_isequal(state.interned_svg,
 							nodename))
 				code = svgtiny_parse_svg(child, state);
-			else if (dom_string_caseless_isequal(state.interned_g,
+			else if (dom_string_isequal(state.interned_g,
 							     nodename))
 				code = svgtiny_parse_svg(child, state);
-			else if (dom_string_caseless_isequal(state.interned_a,
+			else if (dom_string_isequal(state.interned_a,
 							     nodename))
 				code = svgtiny_parse_svg(child, state);
-			else if (dom_string_caseless_isequal(state.interned_path,
+			else if (dom_string_isequal(state.interned_path,
 							     nodename))
 				code = svgtiny_parse_path(child, state);
-			else if (dom_string_caseless_isequal(state.interned_rect,
+			else if (dom_string_isequal(state.interned_rect,
 							     nodename))
 				code = svgtiny_parse_rect(child, state);
-			else if (dom_string_caseless_isequal(state.interned_circle,
+			else if (dom_string_isequal(state.interned_circle,
 							     nodename))
 				code = svgtiny_parse_circle(child, state);
-			else if (dom_string_caseless_isequal(state.interned_ellipse,
+			else if (dom_string_isequal(state.interned_ellipse,
 							     nodename))
 				code = svgtiny_parse_ellipse(child, state);
-			else if (dom_string_caseless_isequal(state.interned_line,
+			else if (dom_string_isequal(state.interned_line,
 							     nodename))
 				code = svgtiny_parse_line(child, state);
-			else if (dom_string_caseless_isequal(state.interned_polyline,
+			else if (dom_string_isequal(state.interned_polyline,
 							     nodename))
 				code = svgtiny_parse_poly(child, state, false);
-			else if (dom_string_caseless_isequal(state.interned_polygon,
+			else if (dom_string_isequal(state.interned_polygon,
 							     nodename))
 				code = svgtiny_parse_poly(child, state, true);
-			else if (dom_string_caseless_isequal(state.interned_text,
+			else if (dom_string_isequal(state.interned_text,
 							     nodename))
 				code = svgtiny_parse_text(child, state);
 			dom_string_unref(nodename);
@@ -1960,8 +1960,8 @@ svgtiny_code svgtiny_parse_text(dom_element *text,
 				svgtiny_cleanup_state_local(&state);
 				return svgtiny_LIBDOM_ERROR;
 			}
-			if (dom_string_caseless_isequal(nodename,
-							state.interned_tspan))
+			if (dom_string_isequal(nodename,
+						state.interned_tspan))
 				code = svgtiny_parse_text((dom_element *)child,
 							  state);
 			dom_string_unref(nodename);
-- 
2.44.2