patch 8.2.2141: a user command with try/catch may not catch an expression error Commit: https://github.com/vim/vim/commit/8143a53c533bc7776c57e5db063d185bdd5750f3 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 13 20:26:29 2020 +0100 patch 8.2.2141: a user command with try/catch may not catch an expression error Problem: A user command with try/catch may not catch an expression error. Solution: When an expression fails check for following "|". (closes https://github.com/vim/vim/issues/7469)

--- a/src/eval.c
+++ b/src/eval.c
@@ -2158,7 +2158,10 @@ eval0(
 	    semsg(_(e_invexpr2), arg);
 
 	// Some of the expression may not have been consumed.  Do not check for
-	// a next command to avoid more errors.
+	// a next command to avoid more errors, unless "|" is following, which
+	// could only be a command separator.
+	if (eap != NULL && skipwhite(p)[0] == '|' && skipwhite(p)[1] != '|')
+	    eap->nextcmd = check_nextcmd(p);
 	return FAIL;
     }