patch 9.0.1300: 'statusline' only supports one "%=" item
Problem: 'statusline' only supports one "%=" item.
Solution: Add support for multiple "%=" items. (TJ DeVries, Yegappan
Lakshmanan, closes #11970, closes #11965)
diff --git a/src/option.h b/src/option.h
index aa55bfb..56b489b 100644
--- a/src/option.h
+++ b/src/option.h
@@ -347,7 +347,8 @@
#define STL_PAGENUM 'N' // page number (when printing)
#define STL_SHOWCMD 'S' // 'showcmd' buffer
#define STL_VIM_EXPR '{' // start of expression to substitute
-#define STL_MIDDLEMARK '=' // separation between left and right
+#define STL_SEPARATE '=' // separation between alignment
+ // sections
#define STL_TRUNCMARK '<' // truncation mark if line is too long
#define STL_USER_HL '*' // highlight from (User)1..9 or 0
#define STL_HIGHLIGHT '#' // highlight name