patch 8.1.1769: 'shellslash' is also used for completion
Problem: 'shellslash' is also used for completion.
Solution: Add the 'completeslash' option. (Yasuhiro Matsumoto, closes #3612)
diff --git a/src/option.h b/src/option.h
index 0654667..29ecd8a 100644
--- a/src/option.h
+++ b/src/option.h
@@ -412,6 +412,9 @@
EXTERN int p_cp; // 'compatible'
#ifdef FEAT_INS_EXPAND
EXTERN char_u *p_cot; // 'completeopt'
+# ifdef BACKSLASH_IN_FILENAME
+EXTERN char_u *p_csl; // 'completeslash'
+# endif
EXTERN long p_ph; // 'pumheight'
EXTERN long p_pw; // 'pumwidth'
#endif
@@ -997,6 +1000,9 @@
, BV_DICT
, BV_TSR
#endif
+#ifdef BACKSLASH_IN_FILENAME
+ , BV_CSL
+#endif
#ifdef FEAT_COMPL_FUNC
, BV_CFU
#endif