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DP QC MULTIPLETEMPSTRINGS
From Quake Wiki
This extension makes all builtins returning tempstrings (ftos for example) cycle through a pool of multiple tempstrings (at least 16), allowing multiple ftos results to be gathered before putting them to use, normal quake only had 1 tempstring, causing many headaches.
Note that for longer term storage (or compatibility on engines having FRIK_FILE but not this extension) the FRIK_FILE extension's strzone/strunzone builtins provide similar functionality (slower though).
This extension is superseded by DP_QC_UNLIMITEDTEMPSTRINGS