timeout = (ms, cb) -> return setTimeout cb, ms
-# xml 1.0 says:
+# xml 1.0 spec, chromium and firefox accept these, plus lots of unicode chars
valid_attr_regex = new RegExp '^[a-zA-Z_:][-a-zA-Z0-9_:.]*$'
# html5 spec is much more lax, but chromium won't let me make at attribute with the name "4"
js_attr_regex = new RegExp '^[oO][nN].'
new_cursor = find_loc_cursor_position @tree, xy
if new_cursor?
@move_cursor new_cursor
+ else
+ @kill_cursor()
return false
ondoubleclick: (e) ->
return false