From a92f098588f125b62772ec4b6e126105ded204d8 Mon Sep 17 00:00:00 2001
From: Sergei Eremenko <finalitik@gmail.com>
Date: Sun, 20 Aug 2023 17:49:38 +0300
Subject: [PATCH] ffsvg.sh: handle 0 and 0.00n+ numbers in x|y|rx|ry

---
 tools/_clean_attrs.sed | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/_clean_attrs.sed b/tools/_clean_attrs.sed
index 2e8992e024..10812ae555 100644
--- a/tools/_clean_attrs.sed
+++ b/tools/_clean_attrs.sed
@@ -148,6 +148,10 @@ s/[ ]white-space="normal"//gI
 s/[ ]word-spacing="normal"//gI
 s/[ ]writing-mode="lr-tb"//gI
 
+# round decimal expansion to zero in x=, y=, rx=, ry= attributes
+s/([ ]x|y|ry|rx)="[0-9.]+e-[0-9]+"/\1="0"/gI
+s/([ ]x|y|ry|rx)="[0-9]?.00[0-9]+"/\1="0"/gI
+
 # delete attributes with nonsense values
 s/[ ]fill-opacity="[1-9][0-9.]*"//gI
 s/[ ]fill="(#000|#000000|black)"//gI
@@ -156,6 +160,11 @@ s/[ ]flood-opacity="[1-9][0-9.]*"//gI
 s/[ ]opacity="[1-9][0-9.]*"//gI
 s/[ ]stroke-opacity="[1-9][0-9.]*"//gI
 
+# delete nonsense values for rounded corners of rectangles
+/<rect/ {
+	s/[ ](ry|rx)="(0|0?.0[0-9]+)"//gI
+}
+
 # delete 'stroke- *' properties if an object doesn't have a stroke
 /stroke[:=]/! {
 	s/[ ]stroke-width="[^"]+"//gI