[w3m-dev 03372] tab browser

* display.c (displayBuffer): add ny
			rootY offset by tab
			tab line
	(cursorDown): offset rootY
	(arrangeCursor): offset rootY
* etc.c (columnSkip): offset rootY
	(lineSkip): offset rootY
	(currentLineSkip): offset rootY
* file.c (HTMLlineproc2body): ATTR_TARGET
* fm.h (MapArea): add target
	(Buffer): add rootY
	(TabBuffer): added
	(Currentbuf): comment out
	(Firstbuf): comment out
	(CurrentTab): added
	(FirstTab): added
	(LastTab): added
	(open_tab_blank): added
	(close_tab_back): added
	(nTab): added
	(TabCols): added
	(N_TAB): added
	(Currentbuf): CurrentTab->currentBuffer
	(Firstbuf): CurrentTab->firstBuffer
* funcname.tab (CLOSE_TAB): added
	(NEW_TAB): added
	(NEXT_TAB): added
	(PREV_TAB): added
	(TAB_GOTO): added
	(TAB_GOTO_RELATIVE): added
	(TAB_LEFT): added
	(TAB_LINK): added
	(TAB_MENU): added
	(TAB_RIGHT): added
* html.c (ALST_AREA): add ATTR_TARGET
* image.c (showImageProgress): offset rootY
* main.c (_newT): added
	(followTab): added
	(moveTab): added
	(check_target): added
	(MAIN): init tab related values
		buf => tab
	(nscroll): offset rootY
	(pgFore): offset rootY
	(pgBack): offset rootY
	(ctrCsrV): offset rootY
	(_movD): offset rootY
	(_movU): offset rootY
	(_goLine): offset rootY
	(_mark): offset rootY
	(followA): check target
	(_followForm): offset rootY
	(drawAnchorCursor0): offset rootY
	(drawAnchorCursor): offset rootY
	(backBf): check close_tab_back
	(follow_map): rewrite for tab, check target
	(posTab): added
	(process_mouse): tab operation
			offset rootY
	(deleteFiles): for all buffers in all tabs
	(newTab): added
	(newT): added
	(numTab): added
	(deleteTab): added
	(closeT): added
	(nextT): added
	(prevT): added
	(followTab): added
	(tabA): added
	(tabURL0): added
	(tabURL): added
	(tabrURL): added
	(moveTab): added
	(tabR): added
	(tabL): added
* map.c (follow_map_menu): return MapArea
	(newMapArea): add target args
* menu.c (SelTabMenu): added
	(SelTabV): added
	(initSelTabMenu): added
	(smChTab): added
	(smDelTab): added
	(MainMenuItem): add Select Tab
				on New Tab
	(popupMenu): add initSelTabMenu()
			offset rootY
	(mainMn): offset rootY
	(selMn): offset rootY
	(initSelectMenu): offset rootY
	(tabMn): added
* proto.h (newT): added
	(closeT): added
	(nextT): added
	(prevT): added
	(tabA): added
	(tabURL): added
	(tabrURL): added
	(tabR): added
	(tabL): added
	(newTab): added
	(deleteTab): added
	(follow_map_menu): return MapArea
	(newMapArea): add target arg
	(tabMn): added
* rc.c (CMT_OPEN_TAB_BLANK): added
	(CMT_CLOSE_TAB_BACK): added
	(open_tab_blank): added
	(close_tab_back): added
* doc/README.func (CLOSE_TAB): added
	(NEW_TAB): added
	(NEXT_TAB): added
	(PREV_TAB): added
	(TAB_GOTO): added
	(TAB_GOTO_RELATIVE): added
	(TAB_LEFT): added
	(TAB_LINK): added
	(TAB_MENU): added
	(TAB_RIGHT): added
* doc-jp/README.func: ditto doc/README.func
From: Hironori SAKAMOTO <hsaka@mth.biglobe.ne.jp>

map.c

@@ -1,4 +1,4 @@
-/* $Id: map.c,v 1.8 2002/03/15 18:48:55 ukai Exp $ */
+/* $Id: map.c,v 1.9 2002/11/05 17:10:07 ukai Exp $ */
 /*
  * client-side image maps
  */
@@ -59,7 +59,7 @@ inMapArea(MapArea * a, int x, int y)
 }
 #endif
 
-char *
+MapArea *
 follow_map_menu(Buffer *buf, struct parsed_tagarg *arg, Anchor *a_img, int x,
 		int y)
 {
@@ -122,7 +122,7 @@ follow_map_menu(Buffer *buf, struct parsed_tagarg *arg, Anchor *a_img, int x,
     if (selected >= 0) {
 	for (i = 0, al = ml->area->first; al != NULL; i++, al = al->next) {
 	    if (al->ptr && i == selected)
-		return ((MapArea *) al->ptr)->url;
+		return (MapArea *) al->ptr;
 	}
     }
     return NULL;
@@ -193,7 +193,7 @@ getMapXY(Buffer *buf, Anchor *a, int *x, int *y)
 #endif
 
 MapArea *
-newMapArea(char *url, char *alt, char *shape, char *coords)
+newMapArea(char *url, char *target, char *alt, char *shape, char *coords)
 {
     MapArea *a = New(MapArea);
 #ifdef MENU_MAP
@@ -204,6 +204,7 @@ newMapArea(char *url, char *alt, char *shape, char *coords)
 #endif
 
     a->url = url;
+    a->target = target;
     a->alt = alt ? alt : "";
 #ifdef MENU_MAP
 #ifdef USE_IMAGE