SpacemanDMM suite v1.9

A maintenance update with fixes to dmdoc, more BYOND 515 support, and improvements under the hood.

Core

Core updates apply to all components.

• Implement /proc/operator:=
• Accept input types on bare variables like var/foo as text|null
• Support preprocessor fexists() (by ZeWaka, #388)
• Add delay argument to animate() (by Waterpig, #387)
• Overhaul doc comment parsing to fix some cases where comments would be dropped (#332)
• Fix Unicode being mangled in doc comments
• Fix parsing of union proc return types like as num|text (#385)

Language Server

Debugger

• Update auxtools debug server from v2.2.4 to v2.3.3
• Allow setting environment variables on DS/DD launch

dmdoc

• Speed up rendering massively
• Fix Markdown headings rendering as <hh2> instead of <h2>

DMM-Tools

• Fix the /tg/station gravity generator render pass (by mc-oofert, #393)