updated for version 7.4.543

Problem:    Since patch 7.4.232 "1,3s/\n//" joins two lines instead of three.
            (Eliseo Martínez)  Issue 287
Solution:   Correct the line count. (Christian Brabandt)
            Also set the last used search pattern.

src/ex_cmds.c

@@ -4408,6 +4408,8 @@ do_sub(eap)
 	    && (*cmd == NUL || (cmd[1] == NUL && (*cmd == 'g' || *cmd == 'l'
 					     || *cmd == 'p' || *cmd == '#'))))
     {
+	linenr_T    joined_lines_count;
+
 	curwin->w_cursor.lnum = eap->line1;
 	if (*cmd == 'l')
 	    eap->flags = EXFLAG_LIST;
@@ -4416,10 +4418,27 @@ do_sub(eap)
 	else if (*cmd == 'p')
 	    eap->flags = EXFLAG_PRINT;
 
-	(void)do_join(eap->line2 - eap->line1 + 1, FALSE, TRUE, FALSE, TRUE);
+	/* The number of lines joined is the number of lines in the range plus
-	sub_nlines = sub_nsubs = eap->line2 - eap->line1 + 1;
+	 * one.  One less when the last line is included. */
-	(void)do_sub_msg(FALSE);
+	joined_lines_count = eap->line2 - eap->line1 + 1;
-	ex_may_print(eap);
+	if (eap->line2 < curbuf->b_ml.ml_line_count)
+	    ++joined_lines_count;
+	if (joined_lines_count > 1)
+	{
+	    (void)do_join(joined_lines_count, FALSE, TRUE, FALSE, TRUE);
+	    sub_nsubs = joined_lines_count - 1;
+	    sub_nlines = 1;
+	    (void)do_sub_msg(FALSE);
+	    ex_may_print(eap);
+	}
+
+	if (!cmdmod.keeppatterns)
+	    save_re_pat(RE_SUBST, pat, p_magic);
+#ifdef FEAT_CMDHIST
+	/* put pattern in history */
+	add_to_history(HIST_SEARCH, pat, TRUE, NUL);
+#endif
+
 	return;
     }
 

src/proto/search.pro

@@ -2,6 +2,7 @@
 int search_regcomp __ARGS((char_u *pat, int pat_save, int pat_use, int options, regmmatch_T *regmatch));
 char_u *get_search_pat __ARGS((void));
 char_u *reverse_text __ARGS((char_u *s));
+void save_re_pat __ARGS((int idx, char_u *pat, int magic));
 void save_search_patterns __ARGS((void));
 void restore_search_patterns __ARGS((void));
 void free_search_patterns __ARGS((void));

src/search.c

@@ -12,7 +12,6 @@
 
 #include "vim.h"
 
-static void save_re_pat __ARGS((int idx, char_u *pat, int magic));
 #ifdef FEAT_EVAL
 static void set_vv_searchforward __ARGS((void));
 static int first_submatch __ARGS((regmmatch_T *rp));
@@ -272,7 +271,7 @@ reverse_text(s)
 }
 #endif
 
-    static void
+    void
 save_re_pat(idx, pat, magic)
     int		idx;
     char_u	*pat;

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    543,
 /**/
     542,
 /**/