runtime(doc): Normalise builtin-function optional parameter formatting
These should generally be formatted as func([{arg}]) and referenced as
{arg} in the description.
closes: #14438
Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/testing.txt b/runtime/doc/testing.txt
index 356d74e..9b9f60b 100644
--- a/runtime/doc/testing.txt
+++ b/runtime/doc/testing.txt
@@ -1,4 +1,4 @@
-*testing.txt* For Vim version 9.1. Last change: 2024 Feb 18
+*testing.txt* For Vim version 9.1. Last change: 2024 Apr 07
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -438,8 +438,8 @@
GetTime()->test_settime()
-test_srand_seed([seed]) *test_srand_seed()*
- When [seed] is given this sets the seed value used by
+test_srand_seed([{seed}]) *test_srand_seed()*
+ When {seed} is given this sets the seed value used by
`srand()`. When omitted the test seed is removed.