[Vtigercrm-developers] How to support the chinese sort

[sunny]

We want to support the chinese sort in the list view,following:
when click the red Letter，the CRM system can sort by alphabet.
because our chinese use the same letters for the chinese ，or we can translate the chinese to the english letters,but I do not know this sort how to set up,or where to set up ,or which php file control the sort?
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