XSLT rounding attributes for SVG optimization -

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i need reduce numeric precision, , minimum exponent of svg attributes save space.

input:

<svg xmlns="http://www.w3.org/2000/svg" width="250" height="250">  <circle cx="125.1111" cy="125.2222" r="124.9999" fill="red"/> </svg>

output:

<svg xmlns="http://www.w3.org/2000/svg" width="250" height="250">  <circle cx="125.1" cy="125.2" r="125.0" fill="red"/> </svg>

what stylesheet achieve result?
thoughts on safety of this?

this stylesheet:

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/xsl/transform">     <xsl:template match="node()|@*">         <xsl:copy>             <xsl:apply-templates select="node()|@*"/>         </xsl:copy>     </xsl:template>     <xsl:template match="@*[.=number()]">         <xsl:attribute name="{name()}">             <xsl:value-of select="format-number(.,'#.#')"/>         </xsl:attribute>     </xsl:template> </xsl:stylesheet>

output:

<svg width="250" height="250" xmlns="http://www.w3.org/2000/svg">     <circle cx="125.1" cy="125.2" r="125" fill="red"></circle> </svg>

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