beremiz

Various unrelated code quality enhancements and fixes with no effect on execution.

18 months ago, Edouard Tisserant
3ef4b5b202fc
Various unrelated code quality enhancements and fixes with no effect on execution.
Re-using elements with Inkscape clones (svg:use)
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Re-use of pages
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Re-use of widgets
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Re-use of SVG elements in widgets
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