Index: applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/core/access/ImplicationXMLReader.java
===================================================================
--- applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/core/access/ImplicationXMLReader.java	(revision 26221)
+++ applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/core/access/ImplicationXMLReader.java	(revision 26345)
@@ -93,5 +93,5 @@
                 if (name.equals("condition")) {
                     if (!currentConditionReader.isFinished()) {
-                        throw new SAXException(tr("Condition isn't finished at </condition> tag"));
+                        throw new SAXException(tr("Condition isn''t finished at </condition> tag"));
                     } else {
                         currentCondition = currentConditionReader.getCondition();
Index: applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/plugin/GraphViewPlugin.java
===================================================================
--- applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/plugin/GraphViewPlugin.java	(revision 26221)
+++ applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/plugin/GraphViewPlugin.java	(revision 26345)
@@ -208,5 +208,5 @@
                 rulesetInputStream = rulesetURL.openStream();
             } else {
-                throw new FileNotFoundException(tr("Couldn't find built-in ruleset {0}", ruleset));
+                throw new FileNotFoundException(tr("Couldn''t find built-in ruleset {0}", ruleset));
             }
 
Index: applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/plugin/preferences/VehiclePropertyStringParser.java
===================================================================
--- applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/plugin/preferences/VehiclePropertyStringParser.java	(revision 26221)
+++ applications/editors/josm/plugins/graphview/src/org/openstreetmap/josm/plugins/graphview/plugin/preferences/VehiclePropertyStringParser.java	(revision 26345)
@@ -36,5 +36,5 @@
     public static final String ERROR_LENGTH =
         tr("Lengths must be given as positive decimal numbers with unit \"m\", \"km\", \"mi\"" +
-        " or without unit.\nAlternatively, the format FEET' INCHES\" can be used.");
+        " or without unit.\nAlternatively, the format FEET'' INCHES\" can be used.");
     public static final String ERROR_SPEED =
         tr("Speeds should be given as numbers without unit or "
@@ -45,5 +45,5 @@
         tr("Tracktype grades must be given as integers between 0 and 5.");
     public static final String ERROR_SURFACE =
-        tr("Surface values must not contain any of the following characters: '','', ''{'',  ''}'', ''='', ''|''");
+        tr("Surface values must not contain any of the following characters: '','', '''{''',  '''}''', ''='', ''|''");
 
     private static final List<Character> FORBIDDEN_SURFACE_CHARS =