4D allows SVG images to be used and even allows the images to be modified. SVG files are in XML structure and can also be modified using XML commands. When modifying the attributes make sure that the decimal numbers, if represented as text, are separated by periods (.) and not commas (,). This is because the SVG parser only reads decimal numbers separated by periods.

If not you can get a Runtime Error of the following format
SVG parser: Bad format for '{attribute name}' value: xpath={xpath of location causing error}

Such as the following example:

SVG SET ATTRIBUTE(*;"pictObject";elem_ID;"transform";"translate(2,5 10,5)")

Will generate the error:
SVG parser: Bad format for 'transform' value: xpath=/@id={elem_ID}/@transform

The SVG parser only accepts period decimal separators like the following format:

SVG SET ATTRIBUTE(*;"pictObject";elem_ID;"transform";"translate(2.5 10.5)")

A way to fix this is use the string function passing "&xml" as a format to always use "." as a separator:

$numString:=String($realNum;"&xml")