[patch] change foldtext

[Christian Brabandt]

Hi Bram,

not sure, if this issue is still valid, but anyway, this patch fixes 
this issue from the todo list:

,----
| 7   Use "++--", "+++--" for different levels instead of "+---" "+----".
`----

regards,
Christian

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diff --git a/src/eval.c b/src/eval.c
--- a/src/eval.c
+++ b/src/eval.c
@@ -10646,7 +10646,7 @@
 		    s = skipwhite(s + 1);
 	    }
 	}
-	txt = _("+-%s%3ld lines: ");
+	txt = _("%s-- %3ld lines: ");
 	r = alloc((unsigned)(STRLEN(txt)
 		    + STRLEN(vimvars[VV_FOLDDASHES].vv_str)    /* for %s */
 		    + 20				    /* for %3ld */
diff --git a/src/fold.c b/src/fold.c
--- a/src/fold.c
+++ b/src/fold.c
@@ -1945,7 +1945,7 @@
 	level = foldinfo->fi_level;
 	if (level > (int)sizeof(dashes) - 1)
 	    level = (int)sizeof(dashes) - 1;
-	vim_memset(dashes, '-', (size_t)level);
+	vim_memset(dashes, '+', (size_t)level);
 	dashes[level] = NUL;
 	set_vim_var_string(VV_FOLDDASHES, dashes, -1);
 	set_vim_var_nr(VV_FOLDLEVEL, (long)level);
@@ -1995,8 +1995,17 @@
     if (text == NULL)
 #endif
     {
-	sprintf((char *)buf, _("+--%3ld lines folded "),
-						    (long)(lnume - lnum + 1));
+	char_u	dashes[MAX_LEVEL + 2];
+	int	level;
+
+	level = foldinfo->fi_level;
+	if (level > (int)sizeof(dashes) - 1)
+	    level = (int)sizeof(dashes) - 1;
+	vim_memset(dashes, '+', (size_t)level);
+	dashes[level] = NUL;
+
+	sprintf((char *)buf, _("%s-- %3ld lines folded "),
+	     dashes, (long)(lnume - lnum + 1));
 	text = buf;
     }
     return text;