patch 7.4.2069
Problem:    spell.c is too big.
Solution:   Split it in spell file handling and spell checking.
diff --git a/src/Make_sas.mak b/src/Make_sas.mak
index f29c4d3..d07fb55 100644
--- a/src/Make_sas.mak
+++ b/src/Make_sas.mak
@@ -135,6 +135,7 @@
 	search.c \
 	sha256.c \
 	spell.c \
+	spellfile.c \
 	syntax.c \
 	tag.c \
 	term.c \
@@ -191,6 +192,7 @@
 	search.o \
 	sha256.o \
 	spell.o \
+	spellfile.o \
 	syntax.o \
 	tag.o \
 	term.o \
@@ -247,6 +249,7 @@
 	proto/search.pro \
 	proto/sha256.pro \
 	proto/spell.pro \
+	proto/spellfile.pro \
 	proto/syntax.pro \
 	proto/tag.pro \
 	proto/term.pro \
@@ -403,6 +406,8 @@
 proto/sha256.pro:	sha256.c
 spell.o:		spell.c
 proto/spell.pro:	spell.c
+spellfile.o:		spellfile.c
+proto/spellfile.pro:	spellfile.c
 syntax.o:		syntax.c
 proto/syntax.pro:	syntax.c
 tag.o:			tag.c