updated for version 7.0179
diff --git a/src/structs.h b/src/structs.h
index 5b91cec..5420b4e 100644
--- a/src/structs.h
+++ b/src/structs.h
@@ -1074,6 +1074,13 @@
#define SYNSPL_TOP 1 /* spell check toplevel text */
#define SYNSPL_NOTOP 2 /* don't spell check toplevel text */
+/* avoid #ifdefs for when b_spell is not available */
+#ifdef FEAT_SYN_HL
+# define B_SPELL(buf) ((buf)->b_spell)
+#else
+# define B_SPELL(buf) (0)
+#endif
+
/*
* buffer: structure that holds information about one file
@@ -1407,8 +1414,19 @@
int b_may_swap;
int b_did_warn; /* Set to 1 if user has been warned on first
change of a read-only file */
- int b_help; /* buffer for help file (when set b_p_bt is
- "help") */
+
+ /* Two special kinds of buffers:
+ * help buffer - used for help files, won't use a swap file.
+ * spell buffer - used for spell info, never displayed and doesn't have a
+ * file name.
+ */
+ int b_help; /* TRUE for help file buffer (when set b_p_bt
+ is "help") */
+#ifdef FEAT_SYN_HL
+ int b_spell; /* TRUE for a spell file buffer, most fields
+ are not used! Use the B_SPELL macro to
+ access b_spell without #ifdef. */
+#endif
#ifndef SHORT_FNAME
int b_shortname; /* this file has an 8.3 file name */