[Ohrrpgce] SVN: teeemcee/10461 Fix F6 editing of existing SL_COLLECT_EDITOR collections missing out on

[subversion at HamsterRepublic.com]

teeemcee
2018-07-25 08:36:17 -0700 (Wed, 25 Jul 2018)
198
Fix F6 editing of existing SL_COLLECT_EDITOR collections missing out on lookup specialcodes definitions

While making the change for prompt_for_string, also made it centered on screen
at non-320x200
---
U   wip/common.rbas
U   wip/custom.bas
U   wip/data/prompt_for_string.slice
U   wip/sliceedit.bas
U   wip/sliceedit.bi
U   wip/thingbrowser.bas