In Inkscape v1.3 the symbol library displays in XML stack order only. -This z-axis restacks the symbols in alphabetical order -This functions similar to Arrange>Restack extension by sorting symbols in the Z-axis. -For use in managing symbol library file and is intended to aid symbol library creation only. Other uses not tested. -"Alpha-Numeric Sort Symbols..." placed in Extensions>Symbols -Whilst this does reorder the SVG XML file structure and it is likely that 1.31 or later version will provide inbuilt non-structural sorting, but in the interim this is probably of use to some as an extension to allow the display of your symbols in alpha-numeric order. Other Symbol management extensions available: -Batch Add & Sort (with Quick Batch Add) -Batch Remove (with Quick Remove Selected)