runtime(doc): mention option-backslash at :h CompilerSet
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/usr_51.txt b/runtime/doc/usr_51.txt
index a74795e..a6e547b 100644
--- a/runtime/doc/usr_51.txt
+++ b/runtime/doc/usr_51.txt
@@ -1,4 +1,4 @@
-*usr_51.txt* For Vim version 9.1. Last change: 2024 Apr 04
+*usr_51.txt* For Vim version 9.1. Last change: 2024 Nov 13
VIM USER MANUAL - by Bram Moolenaar
@@ -656,6 +656,8 @@
CompilerSet errorformat& " use the default 'errorformat'
CompilerSet makeprg=nmake
+Note: arguments need to be escaped according to |option-backslash|.
+
When you write a compiler plugin for the Vim distribution or for a system-wide
runtime directory, use the mechanism mentioned above. When
"current_compiler" was already set by a user plugin nothing will be done.