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-rw-r--r--ps/gfx/sine.js2
1 files changed, 2 insertions, 0 deletions
diff --git a/ps/gfx/sine.js b/ps/gfx/sine.js
index 7ed0e03..0fcf988 100644
--- a/ps/gfx/sine.js
+++ b/ps/gfx/sine.js
@@ -31,6 +31,8 @@
const svg = view.append('svg')
.attr('width', bbox.width + margin.left + margin.right)
.attr('height', bbox.height + margin.top + margin.bottom)
+ .attr('role', 'presentation')
+ .attr('aria-hidden', 'true')
.append('g')
.attr('transform',function(){
var x1 = bbox.x + bbox.width / 2