diff -Nru vte2.91-0.52.2/debian/changelog vte2.91-0.52.2/debian/changelog
--- vte2.91-0.52.2/debian/changelog	2018-05-30 12:19:02.000000000 +0000
+++ vte2.91-0.52.2/debian/changelog	2018-07-16 17:37:09.000000000 +0000
@@ -1,3 +1,10 @@
+vte2.91 (0.52.2-1ubuntu1~18.04.2) bionic; urgency=medium
+
+  * Revert the changes to revert-pcre2.patch in the previous SRU since they
+    introduced API incompatibilies which aren't OK in an SRU (LP: #1780501).
+
+ -- Iain Lane <iain@orangesquash.org.uk>  Mon, 16 Jul 2018 18:37:09 +0100
+
 vte2.91 (0.52.2-1ubuntu1~18.04.1) bionic; urgency=medium
 
   * debian/{gbp.conf,control{,.in}}: Update for bionic.
diff -Nru vte2.91-0.52.2/debian/patches/revert-pcre2.patch vte2.91-0.52.2/debian/patches/revert-pcre2.patch
--- vte2.91-0.52.2/debian/patches/revert-pcre2.patch	2018-05-30 12:19:02.000000000 +0000
+++ vte2.91-0.52.2/debian/patches/revert-pcre2.patch	2018-07-16 17:37:09.000000000 +0000
@@ -1212,8 +1212,33 @@
  }
  
  /**
-Index: b/src/vteinternal.hh
-===================================================================
+@@ -2703,7 +2722,7 @@
+ /**
+  * vte_terminal_feed:
+  * @terminal: a #VteTerminal
+- * @data: (array length=length) (element-type guint8) (allow-none): a string in the terminal's current encoding
++ * @data: (array length=length) (element-type guint8): a string in the terminal's current encoding
+  * @length: the length of the string, or -1 to use the full length or a nul-terminated string
+  *
+  * Interprets @data as if it were data received from a child process.  This
+@@ -2724,7 +2743,7 @@
+ /**
+  * vte_terminal_feed_child:
+  * @terminal: a #VteTerminal
+- * @text: (array length=length) (element-type gchar) (allow-none): data to send to the child
++ * @text: data to send to the child
+  * @length: length of @text in bytes, or -1 if @text is NUL-terminated
+  *
+  * Sends a block of UTF-8 text to the child as if it were entered by the user
+@@ -2744,7 +2763,7 @@
+ /**
+  * vte_terminal_feed_child_binary:
+  * @terminal: a #VteTerminal
+- * @data: (array length=length) (element-type guint8) (allow-none): data to send to the child
++ * @data: data to send to the child
+  * @length: length of @data
+  *
+  * Sends a block of binary data to the child.
 --- a/src/vteinternal.hh
 +++ b/src/vteinternal.hh
 @@ -28,8 +28,16 @@