Fix a bug that causes the cursor position to be incorrect when opening
new terminals:

http://lists.schmorp.de/pipermail/rxvt-unicode/2023q1/002639.html
https://bugs.archlinux.org/task/77062
https://gitlab.alpinelinux.org/alpine/aports/-/issues/14525

This patches reverts all changes made to 'src/screen.C' in rxvt-unicode 9.31.

--- rxvt-unicode-9.31/src/screen.C	2022-08-08 06:33:08.000000000 -0400
+++ rxvt-unicode-9.30/src/screen.C	2021-07-02 23:55:47.000000000 -0400
@@ -293,7 +293,6 @@
 
       int common_col = min (prev_ncol, ncol);
 
-      // resize swap_buf, blank drawn_buf
       for (int row = min (nrow, prev_nrow); row--; )
         {
           scr_blank_screen_mem (drawn_buf [row], DEFAULT_RSTYLE);
@@ -307,7 +306,6 @@
       int pend = MOD (term_start + top_row  , prev_total_rows);
       int q    = total_rows; // rewrapped row
 
-#if ENABLE_FRILLS
       if ((rewrap_always || top_row) && !rewrap_never)
         {
           // Re-wrap lines. This is rather ugly, possibly because I am too dumb
@@ -389,35 +387,36 @@
               scr_blank_line (*qline, qline->l, ncol - qline->l, DEFAULT_RSTYLE);
             }
           while (p != pend && q > 0);
+
+          term_start = total_rows - nrow;
+          top_row = q - term_start;
+
+          // make sure all terminal lines exist
+          while (top_row > 0)
+            scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
         }
       else
-#endif
         {
-          // wing, instead of wrap
-          screen.cur.row += nrow - prev_nrow;
+          // if no scrollback exists (yet), wing, instead of wrap
 
-          do
+          for (int row = min (nrow, prev_nrow); row--; )
             {
-              p = MOD (p - 1, prev_total_rows);
-              q--;
+              line_t &src = prev_row_buf [MOD (term_start + row, prev_total_rows)];
+              line_t &dst = row_buf [row];
 
-              copy_line (row_buf [q], prev_row_buf [p]);
+              copy_line (dst, src);
             }
-          while (p != pend && q > 0);
-        }
 
-      term_start = total_rows - nrow;
-      top_row = q - term_start;
+          for (int row = prev_nrow; row < nrow; row++)
+            scr_blank_screen_mem (row_buf [row], DEFAULT_RSTYLE);
 
-      // make sure all terminal lines exist
-      while (top_row > 0)
-        scr_blank_screen_mem (ROW (--top_row), DEFAULT_RSTYLE);
+          term_start = 0;
+        }
 
       clamp_it (screen.cur.row, 0, nrow - 1);
       clamp_it (screen.cur.col, 0, ncol - 1);
     }
 
-  // ensure drawn_buf, swap_buf and terminal rows are all initialized
   for (int row = nrow; row--; )
     {
       if (!ROW       (row).valid ()) scr_blank_screen_mem (ROW       (row), DEFAULT_RSTYLE);
nt'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/packages/patches/tar-skip-unreliable-tests.patch?id=a8c1d812a030f07dbc22afa12f82539c3152a9e2&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
ass='msg-tooltip'>Forbid root user creation as it could lead to a system without any
non-priviledged user accouts.

Fixes: &lt;https://issues.guix.gnu.org/54666&gt;.

* gnu/installer/newt/user.scm (run-user-add-page): Forbid it.
</span></span></td><td>Mathieu Othacehe</td></tr>
<tr><td><span title='2022-02-02 16:46:44 +0100'>2022-02-02</span></td><td><a href='/guix/commit/gnu/installer/newt/user.scm?id=112ef30b84744872b3a7617d9e54b3df5db95560'>installer: Turn passwords into opaque records.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/user.scm (&lt;secret&gt;, secret?, make-secret,
secret-content): Add opaque &lt;secret&gt; record that boxes its contents,
with a custom printer that doesn't display anything.
* gnu/installer/newt/user.scm (run-user-add-page, run-user-page): Box
it.
* gnu/installer/final.scm (create-user-database): Unbox it.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2022-02-02 16:46:44 +0100'>2022-02-02</span></td><td><a href='/guix/commit/gnu/installer/newt/user.scm?id=726d0bd2f36363392ba2fcefd6e5d4aeed27dc9e'>installer: Use named prompt to abort or break installer steps.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/installer/steps.scm (run-installer-steps): Set up
'installer-step prompt.
* gnu/installer/newt/ethernet.scm (run-ethernet-page)
* gnu/installer/newt/final.scm (run-config-display-page,
run-install-failed-page)
* gnu/installer/newt/keymap.scm (run-layout-page, run-variant-page)
* gnu/installer/newt/locale.scm (run-language-page,
run-territory-page, run-codeset-page, run-modifier-page,
run-locale-page)
* gnu/installer/newt/network.scm (run-technology-page,
wait-service-online)
* gnu/installer/newt/page.scm (run-listbox-selection-page,
run-checkbox-tree-page)
* gnu/installer/newt/partition.scm (button-exit-action)
* gnu/installer/newt/services.scm (run-desktop-environments-cbt-page,
run-networking-cbt-page, run-other-services-cbt-page,
run-network-management-page)
* gnu/installer/newt/timezone.scm (run-timezone-page)
* gnu/installer/newt/user.scm (run-user-page)
* gnu/installer/newt/welcome.scm (run-menu-page)
* gnu/installer/newt/wifi.scm (run-wifi-page): Use the 'installer-step
prompt to abort.

Signed-off-by: Mathieu Othacehe &lt;othacehe@gnu.org&gt;
</span></span></td><td>Josselin Poiret</td></tr>