Bug fixes for do_enter and do_backspace

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@151 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

BUGS

@@ -62,3 +62,22 @@
   written out to disk when saved..... (37).
 - Page up and page down do not work the same way as Pico (# of lines). (38)
 
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ChangeLog

@@ -9,6 +9,11 @@ CVS code
 	- New function, nulls a string at a given index and realigns it.
   delete_buffer()
 	- Removed, same as free_filestruct().
+  do_backspace()
+	- Now calls page_up_center instead of page_up (as it should?)
+  do_enter()
+	- Fixed typo (?) in check for inptr->next.  Caused lots of
+	  grief for editing lines at filebot.
 - search.c:
   replace_abort()
 	- redundant, now just calls search abort until it does something

nano.c

@@ -527,7 +527,7 @@ int do_enter(filestruct * inptr)
     }
     *tmp = 0;
 
-    if (inptr->next != NULL) {
+    if (inptr->next == NULL) {
 	filebot = new;
 	editbot = new;
     }
@@ -956,7 +956,7 @@ int do_backspace(void)
 		current = previous->next;
 	    else
 		current = previous;
-	    page_up();
+	    page_up_center();
 	} else {
 	    if (previous->next)
 		current = previous->next;

po/nano.pot

@@ -6,7 +6,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2000-07-29 00:38-0400\n"
+"POT-Creation-Date: 2000-07-30 21:30-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"

proto.h

@@ -110,7 +110,7 @@ void null_at(char *data, int index);
 
 int do_writeout_void(void), do_exit(void), do_gotoline_void(void);
 int do_insertfile(void), do_search(void), page_up(void), page_down(void);
-int do_cursorpos(void), do_spell(void);
+int do_cursorpos(void), do_spell(void), page_up_center(void);
 int do_up(void), do_down (void), do_right(void), do_left (void);
 int do_home(void), do_end(void), total_refresh(void), do_mark(void);
 int do_delete(void), do_backspace(void), do_tab(void), do_justify(void);

winio.c

@@ -840,7 +840,7 @@ void edit_refresh(void)
 	lines++;
     }
     if (!currentcheck) /* Then current has run off the screen... */ 
-	edit_update(current, CENTER);	
+	edit_update(current, CENTER);
 
     if (lines <= editwinrows - 1)
 	while (lines <= editwinrows - 1) {