Style tag loading is very slow for a large number of style tags
Svgs and other files typically open nicely with my Inkscape 1.0beta2, but I have two svgs that I have made myself with 0.92 that does not open and makes Inkscape hang. They both open fine in 0.92 and with Affinity. I tried removing all the contents of the file and did a clean up document with 0.92 to see if it would then open in 1.0, but still no luck. #### Steps to reproduce: - open the attached file from Finder or - open from command line (with or without gui) #### What happened? Inkscape process is spawned, quickly hoards memory (8GB and counting) and shows up as not responding in activity monitor. I force quit after a while. In the command line I get ``` (process:2316): Gtk-WARNING **: 11:05:30.122: Locale not supported by C library. Using the fallback 'C' locale. Pango version: 1.43.0 ``` then the process accumulates GBs of memory (to open a 15KB file) until I sigterm it. #### What should have happened? The file should have opened normally as it does in 0.92 and other svg editing software. #### Inkscape Version and Operating System: - Inkscape Version: Inkscape 1.0beta2 (2b71d25, 2019-12-03) - Operating System: macOS - Operating System version: 10.14.6 Attached (empty) svg: ![empty_does_not_open.svg](/uploads/c899f2dd84adccba4805e22671753167/empty_does_not_open.svg)
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