diff --git a/core/res/res/values-en-rUS/donottranslate-names.xml b/core/res/res/values-en-rUS/donottranslate-names.xml
index 42c8ab4..82ba310 100644
--- a/core/res/res/values-en-rUS/donottranslate-names.xml
+++ b/core/res/res/values-en-rUS/donottranslate-names.xml
@@ -147,7 +147,7 @@
         MD, MS, PH.D., PHD, SR, V, VI, VII, VIII, X
     </string>
     <string name="common_last_name_prefixes">
-        D', DE, DEL, DI, LA, LE, MC, SAN, ST, TER, VAN, VON
+        D\', DE, DEL, DI, LA, LE, MC, SAN, ST, TER, VAN, VON
     </string>
     <string name="common_name_conjunctions">
         &amp;, AND, OR
diff --git a/libs/utils/ResourceTypes.cpp b/libs/utils/ResourceTypes.cpp
index 0831f4a..f80843d 100644
--- a/libs/utils/ResourceTypes.cpp
+++ b/libs/utils/ResourceTypes.cpp
@@ -3284,7 +3284,16 @@
                     break;
                 }
                 if (c == '\'' && (quoted == 0 || quoted == '\'')) {
-                    break;
+                    /*
+                     * In practice, when people write ' instead of \'
+                     * in a string, they are doing it by accident
+                     * instead of really meaning to use ' as a quoting
+                     * character.  Warn them so they don't lose it.
+                     */
+                    if (outErrorMsg) {
+                        *outErrorMsg = "Apostrophe not preceded by \\";
+                    }
+                    return false;
                 }
             }
             p++;
diff --git a/tools/aapt/ResourceTable.cpp b/tools/aapt/ResourceTable.cpp
index 95a2384..f9d2434 100644
--- a/tools/aapt/ResourceTable.cpp
+++ b/tools/aapt/ResourceTable.cpp
@@ -2364,13 +2364,12 @@
                         String8 region(config.string(), 2);
                         if (configSet.find(region) == configSet.end()) {
                             if (configSet.count(defaultLocale) == 0) {
-                                fprintf(stdout, "aapt: error: "
+                                fprintf(stdout, "aapt: warning: "
                                         "*** string '%s' has no default or required localization "
                                         "for '%s' in %s\n",
                                         String8(nameIter->first).string(),
                                         config.string(),
                                         mBundle->getResourceSourceDirs()[0]);
-                                err = UNKNOWN_ERROR;
                             }
                         }
                     }
diff --git a/tools/aapt/XMLNode.cpp b/tools/aapt/XMLNode.cpp
index 6daa0d2..d4d2a45c 100644
--- a/tools/aapt/XMLNode.cpp
+++ b/tools/aapt/XMLNode.cpp
@@ -219,7 +219,12 @@
             }
             spanStack.pop();
 
-            if (empty) {
+            /*
+             * This warning seems to be just an irritation to most people,
+             * since it is typically introduced by translators who then never
+             * see the warning.
+             */
+            if (0 && empty) {
                 fprintf(stderr, "%s:%d: warning: empty '%s' span found in text '%s'\n",
                         fileName, inXml->getLineNumber(),
                         String8(spanTag).string(), String8(*outString).string());