Elements with empty textnode doesn't collapse on xml opening

[fpierrat]

Hi,
Impossible to have a collapsed empty text node:
"intro": {hasText:true, asker: x.askLongString, collapsible: yes, collapsed: yes, oneLiner: yes},
Whatever I tried (collapsed, collapsable, collapsoid, oneLiner...), this text node is rendered uncollapsed on opening my XML when the <intro> tag is empty.
Note: yes is a function returning true, which works perfectly well for any other elements (as well as for this element when not empty).

I finally removed the second condition on line 546 and it now displays as expected (see captures attached):
if(spec.collapsed(element) && element.children.length>0) classNames+=" collapsed";

I suppose I'll have to deal with side-effects, haven't found any yet.
Thanks for anybody telling me what better solution should have been employed...