Problem: Test fails because of using Vim9 syntax in legacy function.
Solution: Add "call".
4f16e9de98
Add test_nested_function.vim changes from patches 8.{0.0141,2.1432}.
Co-authored-by: Bram Moolenaar <Bram@vim.org>
Problem: Confusing error for using a variable as a function.
Solution: If a function is not found but there is a variable, give a more
useful error. (issue vim/vim#9310)
2ef9156b42
Co-authored-by: Bram Moolenaar <Bram@vim.org>
Problem: Crash when using a null function reference. (Naohiro Ono)
Solution: Check for an invalid function name. (closesvim/vim#8367)
22db0d549f
Co-authored-by: Bram Moolenaar <Bram@vim.org>