doc/README: document the ungroup/regroup trick for SVG transforms

diff --git a/doc/README b/doc/README
index 5bcb4be884c02f0401d505dd8af32e19c64722e6..074133a36b33a3d401cb5a1e0d2dbc7dcec23198 100644 (file)
--- a/doc/README
+++ b/doc/README
@@ -2,3 +2,8 @@ Build requirements:
 
   1. The "base64" utility from GNU coreutils.
   2. The "xmllint" utility from libxml2.
+
+SVG Tricks:
+
+1. To remove a "transform" from a group (like the bus) that was
+   resized together, simply ungroup and regroup the whole thing.