patch 8.2.1378: cannot put space between function name and paren
Problem: Cannot put space between function name and paren.
Solution: Allow this for backwards compatibility.
diff --git a/src/eval.c b/src/eval.c
index a7f6086..877b3bc 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -3198,9 +3198,12 @@
{
int flags = evalarg == NULL ? 0 : evalarg->eval_flags;
- if (**arg == '(')
+ if ((in_vim9script() ? **arg : *skipwhite(*arg)) == '(')
+ {
// "name(..." recursive!
+ *arg = skipwhite(*arg);
ret = eval_func(arg, evalarg, s, len, rettv, flags, NULL);
+ }
else if (flags & EVAL_CONSTANT)
ret = FAIL;
else if (evaluate)