patch 8.2.0780: libvterm code lags behind the upstream version

Problem:    Libvterm code lags behind the upstream version.
Solution:   Include revisions 724 - 726.

Filelist

@@ -344,16 +344,17 @@ SRC_ALL =	\
 		src/libvterm/t/27state_reset.test \
 		src/libvterm/t/28state_dbl_wh.test \
 		src/libvterm/t/29state_fallback.test \
-		src/libvterm/t/30pen.test \
-		src/libvterm/t/40screen_ascii.test \
-		src/libvterm/t/41screen_unicode.test \
-		src/libvterm/t/42screen_damage.test \
-		src/libvterm/t/43screen_resize.test \
-		src/libvterm/t/44screen_pen.test \
-		src/libvterm/t/45screen_protect.test \
-		src/libvterm/t/46screen_extent.test \
-		src/libvterm/t/47screen_dbl_wh.test \
-		src/libvterm/t/48screen_termprops.test \
+		src/libvterm/t/30state_pen.test \
+		src/libvterm/t/31state_rep.test \
+		src/libvterm/t/60screen_ascii.test \
+		src/libvterm/t/61screen_unicode.test \
+		src/libvterm/t/62screen_damage.test \
+		src/libvterm/t/63screen_resize.test \
+		src/libvterm/t/64screen_pen.test \
+		src/libvterm/t/65screen_protect.test \
+		src/libvterm/t/66screen_extent.test \
+		src/libvterm/t/67screen_dbl_wh.test \
+		src/libvterm/t/68screen_termprops.test \
 		src/libvterm/t/90vttest_01-movement-1.test \
 		src/libvterm/t/90vttest_01-movement-2.test \
 		src/libvterm/t/90vttest_01-movement-3.test \

src/libvterm/doc/seqs.txt

@@ -97,6 +97,7 @@ between states.
       CSI Z            = CBT
       CSI `            = HPA
       CSI a            = HPR
+      CSI b            = REP
 123   CSI   c          = DA, device attributes
 123       0            =   DA
  23   CSI >   c        = DECSDA

src/version.c

@@ -746,6 +746,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    780,
 /**/
     779,
 /**/