[Ohrrpgce] SVN: teeemcee/8407 Return more than just the first line from textbox_preview_line; concat s

[subversion at HamsterRepublic.com]

teeemcee
2017-02-18 02:09:26 -0800 (Sat, 18 Feb 2017)
210
Return more than just the first line from textbox_preview_line; concat several

Also, fix NPC preview in NPC editor being too low and overlapping the
textbox preview

Also autosize the script usage display menu
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U   wip/customsubs.bi
U   wip/customsubs.rbas
U   wip/subs4.bas