cell formula not returnd as expected

[ax4w]

Description
I have a sheet where I put ='C:\Users\Alex\Sheet1'!$A$3 as formula into a cell. When I am calling GetCellFormula on that cell I don't get the whole path. I get [1]Sheet1!$A$3.
Steps to reproduce the issue:

1. Create excel file with such formula
2. Process it with excelize
3. Call GetCellFormula on the cell

Describe the results you received:
[1]Sheet1!$A$3

Describe the results you expected:
='C:\Users\Alex\Sheet1'!$A$3 (or without the =)

Output of go version:
go version go1.21.3 windows/amd64

Excelize version or commit ID:
v2.8.1

Environment details (OS, Microsoft Excel™ version, physical, etc.):
Windows 10, Excel from Office 365

[xuri]

Thanks for your issue. Currently, this library doesn't support cell formulas with external links.