patch 9.0.0634: evaluating "expr" options has more overhead than needed
Problem: Evaluating "expr" options has more overhead than needed.
Solution: Use call_simple_func() for 'foldtext', 'includeexpr', 'printexpr',
"expr" of 'spellsuggest', 'diffexpr', 'patchexpr', 'balloonexpr',
'formatexpr', 'indentexpr' and 'charconvert'.
diff --git a/src/textformat.c b/src/textformat.c
index 36c6945..dfbeed7 100644
--- a/src/textformat.c
+++ b/src/textformat.c
@@ -938,7 +938,7 @@
// Evaluate the function.
if (use_sandbox)
++sandbox;
- r = (int)eval_to_number(fex);
+ r = (int)eval_to_number(fex, TRUE);
if (use_sandbox)
--sandbox;