Problematic error location

[jkrivine]

The following rules produce a badly located error message
/* Rules */
'a.b' A(x[.]),B(x[.]) -> A(x[1]),B(x[1]) @ 'on_rate'
'a..b' A(x[1/]),B(x[1/.]) @ 'off_rate' //AB dissociation

The error being in the second line 1/ should be 1/.

[hmedina]

With one blank line:

With two blank lines:

Seems like the GUI really wants to mark line 3, regardless of where the issue is...