Hi Rouslan,

Looks good to me, for whatever that's worth. The only things that I
noticed that you might want to have a look at are:

 * Since PMA_convertFootnotesToTooltips() now takes a parameter,
  you might want to add a PHPDOC header to it to explain what
  that parameter is for and that it can be omitted.

Thank and now I added them.  

 * The 'span_id' variable in PMA_convertFootnotesToTooltips() is
  now misleading, since it stores a class, not an id.


In here even though it initially search for classes, the results are taken as ids for spans. That's why I kept it in that manner. 

Thank you. 

Regards,
Thilanka. 


--
L G Thilanka Kaushalya     
Computer Science & Engineering,    
University of Moratuwa,
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