Update

ftplugin/basic.vim

@@ -0,0 +1,31 @@
+if polyglot#init#is_disabled(expand('<sfile>:p'), 'basic', 'ftplugin/basic.vim')
+  finish
+endif
+
+" Vim filetype plugin file
+" Language:	BASIC
+" Maintainer:	Doug Kearns <dougkearns@gmail.com>
+" Last Change:	2015 Jan 10
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=:REM,:'
+setlocal commentstring='\ %s
+setlocal formatoptions-=t formatoptions+=croql
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "BASIC Source Files (*.bas)\t*.bas\n" .
+		     \ "All Files (*.*)\t*.*\n"
+endif
+
+let b:undo_ftplugin = "setl fo< com< cms< sua<" .
+		    \ " | unlet! b:browsefilter"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save