* in a spreadsheet cell enter =LOG(foobar(SIN(1)))
* invoke Function Wizard on that cell (Ctrl+F2)
LOG(foobar(SIN(1))) is marked in Formula edit field
* activate Functions page
LOG(foobar(SIN(1))) is marked in Formula edit field
Function LOG is selected
* click Next button
foobar(SIN(1)) is marked in Formula edit field
Function ABS is selected
* click Next button
foobar(SIN(1)) is overwritten with ABS( )
* only Cancel solves the problem
foobar() could be any user defined or macro function that have no
function description in the Formula Wizard.
Change-Id: I1cb69a9e38c0b8f251d783bd0f67b4b24ade50d0
8aee44c94f