diff -Nru libkiwix-0.2.0/debian/changelog libkiwix-0.2.0/debian/changelog
--- libkiwix-0.2.0/debian/changelog	2017-10-18 23:09:04.000000000 +0000
+++ libkiwix-0.2.0/debian/changelog	2018-11-18 15:34:26.000000000 +0000
@@ -1,3 +1,10 @@
+libkiwix (0.2.0-1+rpi1) buster-staging; urgency=medium
+
+  * Apply patch from https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=913506
+    to fix build with new ICU.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Sun, 18 Nov 2018 15:34:26 +0000
+
 libkiwix (0.2.0-1) unstable; urgency=medium
 
   * Initial release (Closes: #856552)
diff -Nru libkiwix-0.2.0/debian/patches/0004-libkiwix_ICU_63.1.patch libkiwix-0.2.0/debian/patches/0004-libkiwix_ICU_63.1.patch
--- libkiwix-0.2.0/debian/patches/0004-libkiwix_ICU_63.1.patch	1970-01-01 00:00:00.000000000 +0000
+++ libkiwix-0.2.0/debian/patches/0004-libkiwix_ICU_63.1.patch	2018-11-18 15:33:26.000000000 +0000
@@ -0,0 +1,158 @@
+Description: fix FTBFS with ICU 63.1
+ Add icu namespace.
+Author: Laszlo Boszormenyi (GCS) <gcs@debian.org>
+Last-Update: 2018-11-07
+
+---
+
+--- libkiwix-0.2.0.orig/include/common/stringTools.h
++++ libkiwix-0.2.0/include/common/stringTools.h
+@@ -38,7 +38,7 @@ namespace kiwix {
+   std::string beautifyFileSize(const unsigned int number);
+   std::string urlEncode(const std::string &c);
+   void printStringInHexadecimal(const char *s);
+-  void printStringInHexadecimal(UnicodeString s);
++  void printStringInHexadecimal(icu::UnicodeString s);
+   void stringReplacement(std::string& str, const std::string& oldStr, const std::string& newStr);
+   std::string encodeDiples(const std::string& str);
+ 
+--- libkiwix-0.2.0.orig/src/common/regexTools.cpp
++++ libkiwix-0.2.0/src/common/regexTools.cpp
+@@ -19,11 +19,11 @@
+ 
+ #include <common/regexTools.h>
+ 
+-std::map<std::string, RegexMatcher*> regexCache;
++std::map<std::string, icu::RegexMatcher*> regexCache;
+ 
+-RegexMatcher *buildRegex(const std::string &regex) {
+-  RegexMatcher *matcher;
+-  std::map<std::string, RegexMatcher*>::iterator itr = regexCache.find(regex);
++icu::RegexMatcher *buildRegex(const std::string &regex) {
++  icu::RegexMatcher *matcher;
++  std::map<std::string, icu::RegexMatcher*>::iterator itr = regexCache.find(regex);
+   
+   /* Regex is in cache */
+   if (itr != regexCache.end()) {
+@@ -33,8 +33,8 @@ RegexMatcher *buildRegex(const std::stri
+   /* Regex needs to be parsed (and cached) */
+   else {
+     UErrorCode status = U_ZERO_ERROR;
+-    UnicodeString uregex = UnicodeString(regex.c_str());
+-    matcher = new RegexMatcher(uregex, UREGEX_CASE_INSENSITIVE, status);
++    icu::UnicodeString uregex = icu::UnicodeString(regex.c_str());
++    matcher = new icu::RegexMatcher(uregex, UREGEX_CASE_INSENSITIVE, status);
+     regexCache[regex] = matcher;
+   }
+ 
+@@ -47,20 +47,20 @@ void freeRegexCache() {
+ 
+ bool matchRegex(const std::string &content, const std::string &regex) {
+   ucnv_setDefaultName("UTF-8");
+-  UnicodeString ucontent = UnicodeString(content.c_str());
+-  RegexMatcher *matcher = buildRegex(regex);
++  icu::UnicodeString ucontent = icu::UnicodeString(content.c_str());
++  icu::RegexMatcher *matcher = buildRegex(regex);
+   matcher->reset(ucontent);
+   return matcher->find();
+ }
+ 
+ std::string replaceRegex(const std::string &content, const std::string &replacement, const std::string &regex) {
+   ucnv_setDefaultName("UTF-8");
+-  UnicodeString ucontent = UnicodeString(content.c_str());
+-  UnicodeString ureplacement = UnicodeString(replacement.c_str());
+-  RegexMatcher *matcher = buildRegex(regex);
++  icu::UnicodeString ucontent = icu::UnicodeString(content.c_str());
++  icu::UnicodeString ureplacement = icu::UnicodeString(replacement.c_str());
++  icu::RegexMatcher *matcher = buildRegex(regex);
+   matcher->reset(ucontent);
+   UErrorCode status = U_ZERO_ERROR;
+-  UnicodeString uresult = matcher->replaceAll(ureplacement, status);
++  icu::UnicodeString uresult = matcher->replaceAll(ureplacement, status);
+   std::string tmp;
+   uresult.toUTF8String(tmp);
+   return tmp;
+@@ -68,9 +68,9 @@ std::string replaceRegex(const std::stri
+ 
+ std::string appendToFirstOccurence(const std::string &content, const  std::string regex, const std::string &replacement) {
+   ucnv_setDefaultName("UTF-8");
+-  UnicodeString ucontent = UnicodeString(content.c_str());
+-  UnicodeString ureplacement = UnicodeString(replacement.c_str());
+-  RegexMatcher *matcher = buildRegex(regex);
++  icu::UnicodeString ucontent = icu::UnicodeString(content.c_str());
++  icu::UnicodeString ureplacement = icu::UnicodeString(replacement.c_str());
++  icu::RegexMatcher *matcher = buildRegex(regex);
+   matcher->reset(ucontent);
+ 
+   if (matcher->find()) {
+--- libkiwix-0.2.0.orig/src/common/stringTools.cpp
++++ libkiwix-0.2.0/src/common/stringTools.cpp
+@@ -44,8 +44,8 @@ std::string kiwix::removeAccents(const s
+   loadICUExternalTables();
+   ucnv_setDefaultName("UTF-8");
+   UErrorCode status = U_ZERO_ERROR;
+-  Transliterator *removeAccentsTrans = Transliterator::createInstance("Lower; NFD; [:M:] remove; NFC", UTRANS_FORWARD, status);
+-  UnicodeString ustring = UnicodeString(text.c_str());
++  icu::Transliterator *removeAccentsTrans = icu::Transliterator::createInstance("Lower; NFD; [:M:] remove; NFC", UTRANS_FORWARD, status);
++  icu::UnicodeString ustring = icu::UnicodeString(text.c_str());
+   removeAccentsTrans->transliterate(ustring);
+   delete removeAccentsTrans;
+   std::string unaccentedText;
+@@ -79,7 +79,7 @@ std::string kiwix::beautifyFileSize(cons
+   }
+ }
+ 
+-void kiwix::printStringInHexadecimal(UnicodeString s) {
++void kiwix::printStringInHexadecimal(icu::UnicodeString s) {
+   std::cout << std::showbase << std::hex;
+   for (int i=0; i<s.length(); i++) {
+     char c = (char)((s.getTerminatedBuffer())[i]);
+@@ -215,8 +215,8 @@ std::string kiwix::ucFirst (const std::s
+ 
+   std::string result;
+ 
+-  UnicodeString unicodeWord(word.c_str());
+-  UnicodeString unicodeFirstLetter = UnicodeString(unicodeWord, 0, 1).toUpper();
++  icu::UnicodeString unicodeWord(word.c_str());
++  icu::UnicodeString unicodeFirstLetter = icu::UnicodeString(unicodeWord, 0, 1).toUpper();
+   unicodeWord.replace(0, 1, unicodeFirstLetter);
+   unicodeWord.toUTF8String(result);
+ 
+@@ -229,7 +229,7 @@ std::string kiwix::ucAll (const std::str
+ 
+   std::string result;
+ 
+-  UnicodeString unicodeWord(word.c_str());
++  icu::UnicodeString unicodeWord(word.c_str());
+   unicodeWord.toUpper().toUTF8String(result);
+ 
+   return result;
+@@ -241,8 +241,8 @@ std::string kiwix::lcFirst (const std::s
+ 
+   std::string result;
+ 
+-  UnicodeString unicodeWord(word.c_str());
+-  UnicodeString unicodeFirstLetter = UnicodeString(unicodeWord, 0, 1).toLower();
++  icu::UnicodeString unicodeWord(word.c_str());
++  icu::UnicodeString unicodeFirstLetter = icu::UnicodeString(unicodeWord, 0, 1).toLower();
+   unicodeWord.replace(0, 1, unicodeFirstLetter);
+   unicodeWord.toUTF8String(result);
+ 
+@@ -255,7 +255,7 @@ std::string kiwix::lcAll (const std::str
+ 
+   std::string result;
+ 
+-  UnicodeString unicodeWord(word.c_str());
++  icu::UnicodeString unicodeWord(word.c_str());
+   unicodeWord.toLower().toUTF8String(result);
+ 
+   return result;
+@@ -267,7 +267,7 @@ std::string kiwix::toTitle (const std::s
+ 
+   std::string result;
+ 
+-  UnicodeString unicodeWord(word.c_str());
++  icu::UnicodeString unicodeWord(word.c_str());
+   unicodeWord = unicodeWord.toTitle(0);
+   unicodeWord.toUTF8String(result);
+ 
diff -Nru libkiwix-0.2.0/debian/patches/series libkiwix-0.2.0/debian/patches/series
--- libkiwix-0.2.0/debian/patches/series	2017-10-18 11:46:38.000000000 +0000
+++ libkiwix-0.2.0/debian/patches/series	2018-11-18 15:34:15.000000000 +0000
@@ -1,3 +1,4 @@
 0001-Fix-JNI-licensing-71.patch
 0002-Fix-license-header-73.patch
 0003-Rename-compile_resources.py-to-less-generic-name.patch
+0004-libkiwix_ICU_63.1.patch