[Ohrrpgce] SVN: teeemcee/11200 Push sl->Context onto context_stack a little later

[subversion at HamsterRepublic.com]

teeemcee
2019-08-03 23:42:34 -0700 (Sat, 03 Aug 2019)
222
Push sl->Context onto context_stack a little later

I don't currently know what the most logical place to push/pop it is, depends on
how it's used.  Note context_stack isn't even used yet, I never merged that git
branch...
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U   wip/slices.bas