patch 8.2.1436: function implementing :substitute has unexpected name
Problem: Function implementing :substitute has unexpected name.
Solution: Rename from do_sub() to ex_substitute().
diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index 508ecb8..b993ef2 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -1270,7 +1270,7 @@
EXCMD(CMD_rviminfo, "rviminfo", ex_viminfo,
EX_BANG|EX_FILE1|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
ADDR_NONE),
-EXCMD(CMD_substitute, "substitute", do_sub,
+EXCMD(CMD_substitute, "substitute", ex_substitute,
EX_RANGE|EX_WHOLEFOLD|EX_EXTRA|EX_CMDWIN|EX_LOCK_OK,
ADDR_LINES),
EXCMD(CMD_sNext, "sNext", ex_previous,
@@ -1788,7 +1788,7 @@
EXCMD(CMD_pound, "#", ex_print,
EX_RANGE|EX_WHOLEFOLD|EX_COUNT|EX_FLAGS|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
ADDR_LINES),
-EXCMD(CMD_and, "&", do_sub,
+EXCMD(CMD_and, "&", ex_substitute,
EX_RANGE|EX_WHOLEFOLD|EX_EXTRA|EX_CMDWIN|EX_LOCK_OK|EX_MODIFY,
ADDR_LINES),
EXCMD(CMD_star, "*", ex_at,
@@ -1806,7 +1806,7 @@
EXCMD(CMD_at, "@", ex_at,
EX_RANGE|EX_WHOLEFOLD|EX_EXTRA|EX_TRLBAR|EX_CMDWIN|EX_LOCK_OK,
ADDR_LINES),
-EXCMD(CMD_tilde, "~", do_sub,
+EXCMD(CMD_tilde, "~", ex_substitute,
EX_RANGE|EX_WHOLEFOLD|EX_EXTRA|EX_CMDWIN|EX_LOCK_OK|EX_MODIFY,
ADDR_LINES),