patch 9.0.0634: evaluating "expr" options has more overhead than needed Commit: https://github.com/vim/vim/commit/a4e0b9785e409e9e660171cea76dfcc5fdafad9b Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 1 19:43:52 2022 +0100 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'.

--- a/src/if_ole.cpp
+++ b/src/if_ole.cpp
@@ -381,7 +381,7 @@ CVim::Eval(BSTR expr, BSTR *result)
 
     /* Evaluate the expression */
     ++emsg_skip;
-    str = (char *)eval_to_string((char_u *)buffer, TRUE);
+    str = (char *)eval_to_string((char_u *)buffer, TRUE, FALSE);
     --emsg_skip;
     vim_free(buffer);
     if (str == NULL)