diff --git a/src/CLI.cpp b/src/CLI.cpp
index 0f61768e..551df928 100644
--- a/src/CLI.cpp
+++ b/src/CLI.cpp
@@ -564,14 +564,14 @@ std::set<int> CLI::getIds() const
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-std::vector<std::string> CLI::getTags () const
+std::set <std::string> CLI::getTags () const
 {
-  std::vector <std::string> tags;
+  std::set <std::string> tags;
 
   for (auto& arg : _args)
   {
     if (arg.hasTag ("TAG"))
-      tags.push_back (arg.attribute ("raw"));
+      tags.insert (arg.attribute ("raw"));
   }
 
   return tags;
@@ -628,20 +628,18 @@ std::vector <std::string> CLI::getDomReferences () const
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-// A filter is just another interval, containing start, end and tags.
 //
-// Supported interval forms:
+// Supported range forms:
 //   ["from"] <date> ["to"|"-" <date>]
 //   ["from"] <date> "for" <duration>
 //   <duration> ["before"|"after" <date>]
 //   <duration> "ago"
 //
-Interval CLI::getFilter (const Range& default_range) const
+Range CLI::getRange(const Range& default_range) const
 {
-  // One instance, so we can directly compare.
   Datetime now;
 
-  Interval filter;
+  Range the_range;
   std::string start;
   std::string end;
   std::string duration;
@@ -666,16 +664,16 @@ Interval CLI::getFilter (const Range& default_range) const
         {
           if (range.is_empty ())
           {
-            args.emplace_back ("<all>");
+            args.emplace_back("<all>");
           }
           else
           {
             start = range.start.toISO ();
             end   = range.end.toISO ();
 
-            args.emplace_back ("<date>");
-            args.emplace_back ("-");
-            args.emplace_back ("<date>");
+            args.emplace_back("<date>");
+            args.emplace_back("-");
+            args.emplace_back("<date>");
           }
         }
 
@@ -688,14 +686,14 @@ Interval CLI::getFilter (const Range& default_range) const
         else if (end.empty ())
           end = raw;
 
-        args.emplace_back ("<date>");
+        args.emplace_back("<date>");
       }
       else if (arg._lextype == Lexer::Type::duration)
       {
         if (duration.empty ())
           duration = raw;
 
-        args.emplace_back ("<duration>");
+        args.emplace_back("<duration>");
       }
       else if (arg.hasTag ("KEYWORD"))
       {
@@ -704,37 +702,27 @@ Interval CLI::getFilter (const Range& default_range) const
         //       function.
         args.push_back (raw);
       }
-      else if (arg.hasTag ("ID"))
-      {
-        // Not part of a filter.
-      }
-      else
-      {
-        filter.tag (raw);
-      }
     }
   }
 
   if (args.empty ())
   {
-    filter.setRange(default_range);
+    the_range = default_range;
   }
-
   // <date>
   else if (args.size () == 1 &&
-      args[0] == "<date>")
+           args[0] == "<date>")
   {
     DatetimeParser dtp;
     Range range = dtp.parse_range(start);
-    filter.setRange (range);
+    the_range = Range (range);
   }
-
   // from <date>
   else if (args.size () == 2 &&
            args[0] == "from" &&
            args[1] == "<date>")
   {
-    filter.setRange ({Datetime (start), 0});
+    the_range = Range ({Datetime (start), 0});
   }
   // <date> to/- <date>
   else if (args.size () == 3                   &&
@@ -742,9 +730,8 @@ Interval CLI::getFilter (const Range& default_range) const
            (args[1] == "to" || args[1] == "-") &&
            args[2] == "<date>")
   {
-    filter.setRange ({Datetime (start), Datetime (end)});
+    the_range = Range ({Datetime (start), Datetime (end)});
   }
-
   // from <date> to/- <date>
   else if (args.size () == 4                   &&
            args[0] == "from"                   &&
@@ -752,18 +739,16 @@ Interval CLI::getFilter (const Range& default_range) const
            (args[2] == "to" || args[2] == "-") &&
            args[3] == "<date>")
   {
-    filter.setRange ({Datetime (start), Datetime (end)});
+    the_range = Range ({Datetime (start), Datetime (end)});
   }
-
   // <date> for <duration>
   else if (args.size () == 3   &&
            args[0] == "<date>" &&
            args[1] == "for"    &&
            args[2] == "<duration>")
   {
-    filter.setRange ({Datetime (start), Datetime (start) + Duration (duration).toTime_t ()});
+    the_range = Range ({Datetime (start), Datetime (start) + Duration (duration).toTime_t ()});
   }
-
   // from <date> for <duration>
   else if (args.size () == 4       &&
            args[0] == "from"       &&
@@ -771,66 +756,61 @@ Interval CLI::getFilter (const Range& default_range) const
            args[2] == "for"        &&
            args[3] == "<duration>")
   {
-    filter.setRange ({Datetime (start), Datetime (start) + Duration (duration).toTime_t ()});
+    the_range = Range ({Datetime (start), Datetime (start) + Duration (duration).toTime_t ()});
   }
-
   // <duration> before <date>
   else if (args.size () == 3       &&
            args[0] == "<duration>" &&
            args[1] == "before"     &&
            args[2] == "<date>")
   {
-    filter.setRange ({Datetime (start) - Duration (duration).toTime_t (), Datetime (start)});
+    the_range = Range ({Datetime (start) - Duration (duration).toTime_t (), Datetime (start)});
   }
-
   // <duration> after <date>
   else if (args.size () == 3       &&
            args[0] == "<duration>" &&
            args[1] == "after"      &&
            args[2] == "<date>")
   {
-    filter.setRange ({Datetime (start), Datetime (start) + Duration (duration).toTime_t ()});
+    the_range = Range ({Datetime (start), Datetime (start) + Duration (duration).toTime_t ()});
   }
-
   // <duration> ago
   else if (args.size () == 2       &&
            args[0] == "<duration>" &&
            args[1] == "ago")
   {
-    filter.setRange ({now - Duration (duration).toTime_t (), 0});
+    the_range = Range ({now - Duration (duration).toTime_t (), 0});
   }
-
   // for <duration>
   else if (args.size () == 2       &&
            args[0] == "for"        &&
            args[1] == "<duration>")
   {
-    filter.setRange ({now - Duration (duration).toTime_t (), now});
+    the_range = Range ({now - Duration (duration).toTime_t (), now});
   }
-
   // <duration>
   else if (args.size () == 1 &&
            args[0] == "<duration>")
   {
-    filter.setRange ({now - Duration (duration).toTime_t (), now});
+    the_range = Range ({now - Duration (duration).toTime_t (), now});
   }
-
   // :all
   else if (args.size () == 1 && args[0] == "<all>")
   {
-    filter.setRange (0, 0);
+    the_range = Range (0, 0);
   }
-
-    // Unrecognized date range construct.
+  // Unrecognized date range construct.
   else if (! args.empty ())
   {
     throw std::string ("Unrecognized date range: '") + join (" ", args) + "'.";
   }
 
-  if (filter.end != 0 && filter.start > filter.end)
+  if (the_range.end != 0 && the_range.start > the_range.end)
+  {
     throw std::string ("The end of a date range must be after the start.");
+  }
 
-  return filter;
+  return the_range;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/src/CLI.h b/src/CLI.h
index aef544e6..0b69addd 100644
--- a/src/CLI.h
+++ b/src/CLI.h
@@ -70,11 +70,11 @@ public:
   bool getComplementaryHint (const std::string&, bool) const;
   bool getHint(const std::string&, bool) const;
   std::set <int> getIds () const;
-  std::vector<std::string> getTags () const;
+  std::set<std::string> getTags () const;
   std::string getAnnotation() const;
   Duration getDuration() const;
   std::vector<std::string> getDomReferences () const;
-  Interval getFilter (const Range& = {}) const;
+  Range getRange (const Range& default_range = {0, 0}) const;
   std::string dump (const std::string& title = "CLI Parser") const;
 
 private:
diff --git a/src/Chart.cpp b/src/Chart.cpp
index 06b5c9f2..dc351b4c 100644
--- a/src/Chart.cpp
+++ b/src/Chart.cpp
@@ -61,14 +61,14 @@ Chart::Chart (const ChartConfig& configuration) :
 { }
 
 std::string Chart::render (
-  const Interval &filter,
+  const Range& range,
   const std::vector<Interval> &tracked,
   const std::vector<Range> &exclusions,
   const std::map<Datetime, std::string> &holidays)
 {
   // Determine hours shown.
   auto hour_range = determine_hour_range
-                    ? determineHourRange (filter, tracked)
+                    ? determineHourRange (range, tracked)
                     : std::make_pair (0, 23);
 
   int first_hour = hour_range.first;
@@ -97,7 +97,7 @@ std::string Chart::render (
   // Each day is rendered separately.
   time_t total_work = 0;
 
-  for (Datetime day = filter.start; day < filter.end; day++)
+  for (Datetime day = range.start; day < range.end; day++)
   {
     // Render the exclusion blocks.
 
@@ -154,7 +154,7 @@ std::string Chart::render (
 
   out << (with_totals ? renderSubTotal (total_work, std::string (padding_size, ' ')) : "")
       << (with_holidays ? renderHolidays (holidays) : "")
-      << (with_summary ? renderSummary (indent, filter, exclusions, tracked) : "");
+      << (with_summary ? renderSummary (indent, range, exclusions, tracked) : "");
 
   return out.str ();
 }
@@ -172,7 +172,7 @@ unsigned long Chart::getIndentSize ()
 // Scan all tracked intervals, looking for the earliest and latest hour into
 // which an interval extends.
 std::pair<int, int> Chart::determineHourRange (
-  const Interval &filter,
+  const Range& range,
   const std::vector<Interval> &tracked)
 {
   // If there is no data, show the whole day.
@@ -185,11 +185,11 @@ std::pair<int, int> Chart::determineHourRange (
   auto first_hour = 23;
   auto last_hour = 0;
 
-  for (Datetime day = filter.start; day < filter.end; day++)
+  for (Datetime day = range.start; day < range.end; day++)
   {
     auto day_range = getFullDay (day);
 
-    for (auto &track : tracked)
+    for (auto& track : tracked)
     {
       Interval test {track};
 
@@ -549,7 +549,7 @@ std::string Chart::renderHolidays (const std::map<Datetime, std::string> &holida
 ////////////////////////////////////////////////////////////////////////////////
 std::string Chart::renderSummary (
   const std::string &indent,
-  const Interval &filter,
+  const Range& range,
   const std::vector<Range> &exclusions,
   const std::vector<Interval> &tracked)
 {
@@ -558,9 +558,9 @@ std::string Chart::renderSummary (
 
   for (auto &exclusion : exclusions)
   {
-    if (filter.overlaps (exclusion))
+    if (range.overlaps (exclusion))
     {
-      total_unavailable += filter.intersect (exclusion).total ();
+      total_unavailable += range.intersect (exclusion).total ();
     }
   }
 
@@ -570,9 +570,9 @@ std::string Chart::renderSummary (
   {
     for (auto &interval : tracked)
     {
-      if (filter.overlaps (interval))
+      if (range.overlaps (interval))
       {
-        Interval clipped = clip (interval, filter);
+        Interval clipped = clip (interval, range);
         if (interval.is_open ())
         {
           clipped.end = reference_datetime;
@@ -583,7 +583,7 @@ std::string Chart::renderSummary (
     }
   }
 
-  auto total_available = filter.total () - total_unavailable;
+  auto total_available = range.total () - total_unavailable;
   assert (total_available >= 0);
   auto total_remaining = total_available - total_worked;
 
diff --git a/src/Chart.h b/src/Chart.h
index 5f6ceff3..8d36b716 100644
--- a/src/Chart.h
+++ b/src/Chart.h
@@ -37,7 +37,7 @@ class Chart
 public:
   explicit Chart (const ChartConfig& configuration);
 
-  std::string render (const Interval&, const std::vector <Interval>&, const std::vector <Range>&, const std::map <Datetime, std::string>&);
+  std::string render (const Range&, const std::vector <Interval>&, const std::vector <Range>&, const std::map <Datetime, std::string>&);
 
 private:
   std::string renderAxis (int, int);
@@ -45,7 +45,7 @@ private:
   std::string renderHolidays (const std::map <Datetime, std::string>&);
   std::string renderMonth (const Datetime&, const Datetime&);
   std::string renderSubTotal (time_t, const std::string&);
-  std::string renderSummary (const std::string&, const Interval&, const std::vector <Range>&, const std::vector <Interval>&);
+  std::string renderSummary (const std::string&, const Range&, const std::vector <Range>&, const std::vector <Interval>&);
   std::string renderTotal (time_t);
   std::string renderWeek (const Datetime&, const Datetime&);
   std::string renderWeekday (Datetime&, const Color&);
@@ -55,7 +55,7 @@ private:
 
   unsigned long getIndentSize ();
 
-  std::pair <int, int> determineHourRange (const Interval&, const std::vector <Interval>&);
+  std::pair <int, int> determineHourRange (const Range&, const std::vector <Interval>&);
 
   Color getDayColor (const Datetime&, const std::map <Datetime, std::string>&);
   Color getHourColor (int) const;
diff --git a/src/DatetimeParser.cpp b/src/DatetimeParser.cpp
index 129460a3..d34ceb27 100644
--- a/src/DatetimeParser.cpp
+++ b/src/DatetimeParser.cpp
@@ -86,7 +86,7 @@ Range DatetimeParser::parse_range (const std::string& input)
     {
       start = pig.cursor ();
       resolve ();
-      return Range { Datetime {_date}, 0 };
+      return Range {Datetime {_date}, 0};
     }
   }
 
@@ -115,13 +115,13 @@ Range DatetimeParser::parse_range (const std::string& input)
       {
         auto start_date = Datetime (_date);
         auto end_date = Datetime(start_date.year(), start_date.month()+1, 1);
-        return Range { start_date, end_date };
+        return Range {start_date, end_date};
       }
       else if (_year != 0)
       {
         auto start_date = Datetime (_date);
         auto end_date = Datetime(start_date.year()+1, 1, 1);
-        return Range { start_date, end_date };
+        return Range {start_date, end_date};
       }
       return Range {};
     }
@@ -145,7 +145,7 @@ Range DatetimeParser::parse_range (const std::string& input)
     {
       start = pig.cursor ();
       resolve ();
-      return Range { Datetime (_date), 0 };
+      return Range {Datetime (_date), 0};
     }
   }
 
@@ -153,14 +153,14 @@ Range DatetimeParser::parse_range (const std::string& input)
 
   if (parse_informal_time (pig))
   {
-    return Range { Datetime {_date}, 0 };
+    return Range {Datetime {_date}, 0};
   }
 
   if (parse_named_day (pig))
   {
     // ::validate and ::resolve are not needed in this case.
     start = pig.cursor ();
-    return Range { Datetime (_date), Datetime (_date) + Duration ("1d").toTime_t () };
+    return Range {Datetime (_date), Datetime (_date) + Duration ("1d").toTime_t ()};
   }
 
   if (parse_named_month (pig))
@@ -171,14 +171,14 @@ Range DatetimeParser::parse_range (const std::string& input)
     auto month = (begin.month() + 1) % 13 + (begin.month() == 12);
     auto year = (begin.year() + (begin.month() == 12));
     auto end = Datetime (year, month, 1);
-    return Range { begin, end };
+    return Range {begin, end};
   }
 
   if (parse_named (pig))
   {
     // ::validate and ::resolve are not needed in this case.
     start = pig.cursor ();
-    return Range { Datetime (_date), 0 };
+    return Range {Datetime (_date), 0};
   }
 
   throw format ("'{1}' is not a valid range.", input);
diff --git a/src/Interval.h b/src/Interval.h
index 929b1c0c..60a54f83 100644
--- a/src/Interval.h
+++ b/src/Interval.h
@@ -30,12 +30,15 @@
 #include <Range.h>
 #include <set>
 #include <string>
+#include <utility>
 
 class Interval : public Range
 {
 public:
   Interval () = default;
   Interval (const Datetime& start, const Datetime& end) : Range (start, end) {}
+  Interval (const Range& range, std::set <std::string> tags) : Range (range), _tags(std::move(tags)) {}
+
   bool operator== (const Interval&) const;
   bool operator!= (const Interval&) const;
 
diff --git a/src/commands/CmdAnnotate.cpp b/src/commands/CmdAnnotate.cpp
index 85f0f429..00d40ba4 100644
--- a/src/commands/CmdAnnotate.cpp
+++ b/src/commands/CmdAnnotate.cpp
@@ -41,8 +41,8 @@ int CmdAnnotate (
 {
   const bool verbose = rules.getBoolean ("verbose");
 
-  std::set <int> ids = cli.getIds ();
-  std::string annotation = cli.getAnnotation ();
+  auto ids = cli.getIds ();
+  auto annotation = cli.getAnnotation ();
 
   journal.startTransaction ();
   flattenDatabase (database, rules);
diff --git a/src/commands/CmdChart.cpp b/src/commands/CmdChart.cpp
index 9c5cbc73..fec8a574 100644
--- a/src/commands/CmdChart.cpp
+++ b/src/commands/CmdChart.cpp
@@ -36,9 +36,9 @@
 #include <iostream>
 #include <timew.h>
 
-int renderChart (const CLI&, const std::string&, Interval&, Rules&, Database&);
+int renderChart (const std::string&, const CLI&, Rules&, Database&);
 
-std::map <Datetime, std::string> createHolidayMap (Rules&, Interval&);
+std::map <Datetime, std::string> createHolidayMap (Rules&, Range&);
 
 ////////////////////////////////////////////////////////////////////////////////
 int CmdChartDay (
@@ -46,16 +46,7 @@ int CmdChartDay (
   Rules& rules,
   Database& database)
 {
-  auto default_hint = rules.get ("reports.range", "day");
-  auto report_hint = rules.get ("reports.day.range", default_hint);
-
-  Range default_range = {};
-  expandIntervalHint (":" + report_hint, default_range);
-
-  // Create a filter, and if empty, choose the current day.
-  auto filter = cli.getFilter (default_range);
-
-  return renderChart (cli, "day", filter, rules, database);
+  return renderChart ("day", cli, rules, database);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -64,16 +55,7 @@ int CmdChartWeek (
   Rules& rules,
   Database& database)
 {
-  auto default_hint = rules.get ("reports.range", "week");
-  auto report_hint = rules.get ("reports.week.range", default_hint);
-
-  Range default_range = {};
-  expandIntervalHint (":" + report_hint, default_range);
-
-  // Create a filter, and if empty, choose the current week.
-  auto filter = cli.getFilter (default_range);
-
-  return renderChart (cli, "week", filter, rules, database);
+  return renderChart ("week", cli, rules, database);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -82,32 +64,31 @@ int CmdChartMonth (
   Rules& rules,
   Database& database)
 {
-  auto default_hint = rules.get ("reports.range", "month");
-  auto report_hint = rules.get ("reports.month.range", default_hint);
-
-  Range default_range = {};
-  expandIntervalHint (":" + report_hint, default_range);
-
-  // Create a filter, and if empty, choose the current month.
-  auto filter = cli.getFilter (default_range);
-
-  return renderChart (cli, "month", filter, rules, database);
+  return renderChart ("month", cli, rules, database);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 int renderChart (
-  const CLI& cli,
   const std::string& type,
-  Interval& filter,
+  const CLI& cli,
   Rules& rules,
   Database& database)
 {
   const bool verbose = rules.getBoolean ("verbose");
 
+  auto default_hint = rules.get ("reports.range", type);
+  auto report_hint = rules.get ("reports." + type + ".range", default_hint);
+
+  Range default_range = {};
+  expandIntervalHint (":" + report_hint, default_range);
+
+  auto range = cli.getRange (default_range);
+  auto tags = cli.getTags ();
+
   // Load the data.
   IntervalFilterAndGroup filtering ({
-    std::make_shared <IntervalFilterAllInRange> ( Range { filter.start, filter.end }),
-    std::make_shared <IntervalFilterAllWithTags> (filter.tags())
+    std::make_shared <IntervalFilterAllInRange> (range),
+    std::make_shared <IntervalFilterAllWithTags> (tags)
   });
 
   auto tracked = getTracked (database, rules, filtering);
@@ -118,16 +99,18 @@ int renderChart (
     {
       std::cout << "No filtered data found";
 
-      if (filter.is_started ())
+      if (range.is_started ())
       {
-        std::cout << " in the range " << filter.start.toISOLocalExtended ();
-        if (filter.is_ended ())
-          std::cout << " - " << filter.end.toISOLocalExtended ();
+        std::cout << " in the range " << range.start.toISOLocalExtended ();
+        if (range.is_ended ())
+        {
+          std::cout << " - " << range.end.toISOLocalExtended ();
+        }
       }
 
-      if (! filter.tags ().empty ())
+      if (! tags.empty ())
       {
-        std::cout << " tagged with " << joinQuotedIfNeeded (", ", filter.tags ());
+        std::cout << " tagged with " << joinQuotedIfNeeded (", ", tags);
       }
 
       std::cout << ".\n";
@@ -136,8 +119,8 @@ int renderChart (
     return 0;
   }
 
-  const auto exclusions = getAllExclusions (rules, filter);
-  const auto holidays = createHolidayMap (rules, filter);
+  const auto exclusions = getAllExclusions (rules, range);
+  const auto holidays = createHolidayMap (rules, range);
 
   // Map tags to colors.
   auto palette = createPalette (rules);
@@ -146,12 +129,16 @@ int renderChart (
   const auto minutes_per_char = rules.getInteger ("reports." + type + ".cell");
 
   if (minutes_per_char < 1)
+  {
     throw format ("The value for 'reports.{1}.cell' must be at least 1.", type);
+  }
 
   const auto num_lines = rules.getInteger ("reports." + type + ".lines", 1);
 
   if (num_lines < 1)
+  {
     throw format ("Invalid value for 'reports.{1}.lines': '{2}'", type, num_lines);
+  }
 
   ChartConfig configuration {};
   configuration.reference_datetime = Datetime ();
@@ -177,13 +164,13 @@ int renderChart (
 
   Chart chart (configuration);
 
-  std::cout << chart.render (filter, tracked, exclusions, holidays);
+  std::cout << chart.render (range, tracked, exclusions, holidays);
 
   return 0;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
-std::map <Datetime, std::string> createHolidayMap (Rules &rules, Interval &filter)
+std::map <Datetime, std::string> createHolidayMap (Rules& rules, Range& range)
 {
   std::map <Datetime, std::string> mapping;
   auto holidays = rules.all ("holidays.");
@@ -199,7 +186,7 @@ std::map <Datetime, std::string> createHolidayMap (Rules &rules, Interval &filte
       std::replace (date.begin (), date.end (), '_', '-');
       Datetime holiday (date);
 
-      if (holiday >= filter.start && holiday <= filter.end)
+      if (holiday >= range.start && holiday <= range.end)
       {
         std::stringstream out;
         out << " ["
diff --git a/src/commands/CmdContinue.cpp b/src/commands/CmdContinue.cpp
index fb0fab0f..8bcedcc8 100644
--- a/src/commands/CmdContinue.cpp
+++ b/src/commands/CmdContinue.cpp
@@ -44,16 +44,17 @@ int CmdContinue (
   const bool verbose = rules.getBoolean ("verbose");
   const Datetime now {};
 
-  auto filter = cli.getFilter ({ now, 0 });
+  auto range = cli.getRange ({now, 0});
 
-  if (filter.start > now)
+  if (range.start > now)
   {
     throw std::string ("Time tracking cannot be set in the future.");
   }
 
-  std::set <int> ids = cli.getIds ();
+  auto tags = cli.getTags ();
+  auto ids = cli.getIds ();
 
-  if (!ids.empty () && !filter.tags().empty ())
+  if (! ids.empty () && ! tags.empty ())
   {
     throw std::string ("You cannot specify both id and tags to continue an interval.");
   }
@@ -74,14 +75,14 @@ int CmdContinue (
       throw format ("ID '@{1}' does not correspond to any tracking.", *ids.begin ());
     }
   }
-  else if (!filter.tags ().empty ())
+  else if (!tags.empty ())
   {
-    IntervalFilterFirstOf filtering {std::make_shared <IntervalFilterAllWithTags> (filter.tags ())};
+    IntervalFilterFirstOf filtering {std::make_shared <IntervalFilterAllWithTags> (tags)};
     intervals = getTracked (database, rules, filtering);
 
     if (intervals.empty ())
     {
-      throw format ("Tags '{1}' do not correspond to any tracking.", joinQuotedIfNeeded (", ", filter.tags ()));
+      throw format ("Tags '{1}' do not correspond to any tracking.", joinQuotedIfNeeded (", ", tags));
     }
   }
   else
@@ -106,10 +107,10 @@ int CmdContinue (
   Datetime start_time;
   Datetime end_time;
 
-  if (filter.is_started ())
+  if (range.is_started ())
   {
-    start_time = filter.start;
-    end_time = filter.end;
+    start_time = range.start;
+    end_time = range.end;
   }
   else
   {
diff --git a/src/commands/CmdDelete.cpp b/src/commands/CmdDelete.cpp
index df5d4c02..1e99b611 100644
--- a/src/commands/CmdDelete.cpp
+++ b/src/commands/CmdDelete.cpp
@@ -39,8 +39,7 @@ int CmdDelete (
 {
   const bool verbose = rules.getBoolean ("verbose");
 
-  // Gather IDs.
-  std::set <int> ids = cli.getIds ();
+  auto ids = cli.getIds ();
 
   if (ids.empty ())
   {
@@ -53,7 +52,6 @@ int CmdDelete (
   auto filtering = IntervalFilterAllWithIds (ids);
   auto intervals = getTracked (database, rules, filtering);
 
-
   if (intervals.size () != ids.size ())
   {
     for (auto& id: ids)
diff --git a/src/commands/CmdExport.cpp b/src/commands/CmdExport.cpp
index 5f68fc32..87af4789 100644
--- a/src/commands/CmdExport.cpp
+++ b/src/commands/CmdExport.cpp
@@ -38,16 +38,19 @@ int CmdExport (
   Rules& rules,
   Database& database)
 {
-  auto filter = cli.getFilter ();
-  std::set <int> ids = cli.getIds ();
+  auto ids = cli.getIds ();
+  auto range = cli.getRange ();
+  auto tags = cli.getTags ();
+
   std::shared_ptr <IntervalFilter> filtering;
 
-  if (!ids.empty ())
+  if (! ids.empty ())
   {
-    if (!filter.empty ())
+    if (! range.is_empty ())
     {
       throw std::string ("You cannot specify both id and tags/range to export intervals.");
     }
+
     filtering = std::make_shared <IntervalFilterAllWithIds> (ids);
   }
   else
@@ -55,14 +58,15 @@ int CmdExport (
     filtering = std::make_shared <IntervalFilterAndGroup> (
       std::vector <std::shared_ptr <IntervalFilter>> (
         {
-          std::make_shared <IntervalFilterAllInRange> (Range{filter.start, filter.end}),
-          std::make_shared <IntervalFilterAllWithTags> (filter.tags ()),
+          std::make_shared <IntervalFilterAllInRange> (range),
+          std::make_shared <IntervalFilterAllWithTags> (tags),
         }
       )
     );
   }
 
   auto intervals = getTracked (database, rules, *filtering);
+
   std::cout << jsonFromIntervals (intervals);
 
   return 0;
diff --git a/src/commands/CmdFill.cpp b/src/commands/CmdFill.cpp
index 65bef79b..33958c02 100644
--- a/src/commands/CmdFill.cpp
+++ b/src/commands/CmdFill.cpp
@@ -40,7 +40,7 @@ int CmdFill (
 {
   const bool verbose = rules.getBoolean ("verbose");
 
-  std::set <int> ids = cli.getIds ();
+  auto ids = cli.getIds ();
 
   if (ids.empty ())
   {
@@ -48,10 +48,7 @@ int CmdFill (
   }
 
   // Load the data.
-  // Note: There is no filter.
-  Interval filter;
-
-  auto filtering = IntervalFilterAllInRange ({ 0, 0 });
+  auto filtering = IntervalFilterAllInRange ({0, 0});
   auto tracked = getTracked (database, rules, filtering);
 
   journal.startTransaction ();
@@ -60,7 +57,9 @@ int CmdFill (
   for (auto& id : ids)
   {
     if (id > static_cast <int> (tracked.size ()))
+    {
       throw format ("ID '@{1}' does not correspond to any tracking.", id);
+    }
 
     Interval from = tracked[tracked.size () - id];
     std::cout << "# from " << from.dump () << "\n";
diff --git a/src/commands/CmdGaps.cpp b/src/commands/CmdGaps.cpp
index 330a0099..65b2c8dd 100644
--- a/src/commands/CmdGaps.cpp
+++ b/src/commands/CmdGaps.cpp
@@ -45,16 +45,22 @@ int CmdGaps (
   Range default_range = {};
   expandIntervalHint (":" + report_hint, default_range);
 
-  auto filter = cli.getFilter (default_range);
+  auto range = cli.getRange (default_range);
+  auto tags = cli.getTags ();
+  auto filter = Interval {range, tags};
 
   // Is the :blank hint being used?
   bool blank = cli.getHint ("blank", false);
 
   std::vector <Range> untracked;
   if (blank)
-    untracked = subtractRanges ({filter}, getAllExclusions (rules, filter));
+  {
+    untracked = subtractRanges ({range}, getAllExclusions (rules, range));
+  }
   else
+  {
     untracked = getUntracked (database, rules, filter);
+  }
 
   Table table;
   table.width (1024);
@@ -70,7 +76,7 @@ int CmdGaps (
   // Each day is rendered separately.
   time_t grand_total = 0;
   Datetime previous;
-  for (Datetime day = filter.start; day < filter.end; day++)
+  for (Datetime day = range.start; day < range.end; day++)
   {
     auto day_range = getFullDay (day);
     time_t daily_total = 0;
diff --git a/src/commands/CmdGet.cpp b/src/commands/CmdGet.cpp
index 79027163..ef922455 100644
--- a/src/commands/CmdGet.cpp
+++ b/src/commands/CmdGet.cpp
@@ -37,9 +37,10 @@ int CmdGet (
   Rules& rules,
   Database& database)
 {
+  auto references = cli.getDomReferences ();
+  auto filter = Interval {cli.getRange (), cli.getTags()};
+
   std::vector <std::string> results;
-  std::vector <std::string> references = cli.getDomReferences ();
-  Interval filter = cli.getFilter ();
 
   for (auto& reference : references)
   {
diff --git a/src/commands/CmdJoin.cpp b/src/commands/CmdJoin.cpp
index 6c8164aa..79f26b64 100644
--- a/src/commands/CmdJoin.cpp
+++ b/src/commands/CmdJoin.cpp
@@ -41,7 +41,7 @@ int CmdJoin (
   const bool verbose = rules.getBoolean ("verbose");
 
   // Gather IDs and TAGs.
-  std::set <int> ids = cli.getIds ();
+  auto ids = cli.getIds ();
 
   // Only 2 IDs allowed in a join.
   if (ids.size () != 2)
diff --git a/src/commands/CmdLengthen.cpp b/src/commands/CmdLengthen.cpp
index 3ccb7cfc..30a5cd0c 100644
--- a/src/commands/CmdLengthen.cpp
+++ b/src/commands/CmdLengthen.cpp
@@ -40,15 +40,14 @@ int CmdLengthen (
 {
   const bool verbose = rules.getBoolean ("verbose");
 
-  // Gather IDs and TAGs.
-  std::set <int> ids = cli.getIds ();
+  auto ids = cli.getIds ();
 
   if (ids.empty ())
   {
     throw std::string ("IDs must be specified. See 'timew help lengthen'.");
   }
 
-  Duration dur = cli.getDuration ();
+  auto dur = cli.getDuration ();
 
   journal.startTransaction ();
 
diff --git a/src/commands/CmdModify.cpp b/src/commands/CmdModify.cpp
index 9bfe7e62..fd17a427 100644
--- a/src/commands/CmdModify.cpp
+++ b/src/commands/CmdModify.cpp
@@ -39,10 +39,9 @@ int CmdModify (
 {
   const bool verbose = rules.getBoolean ("verbose");
 
-  auto filter = cli.getFilter ();
-  std::set <int> ids = cli.getIds ();
-  std::vector <std::string> words = cli.getWords ();
-  enum { MODIFY_START, MODIFY_END } op = MODIFY_START;
+  auto words = cli.getWords ();
+
+  enum {MODIFY_START, MODIFY_END} op = MODIFY_START;
 
   if (words.empty())
   {
@@ -62,6 +61,8 @@ int CmdModify (
     throw format ("Must specify start|end command to modify. See 'timew help modify'.", words.at (0));
   }
 
+  auto ids = cli.getIds ();
+
   if (ids.empty ())
   {
     throw std::string ("ID must be specified. See 'timew help modify'.");
@@ -72,6 +73,8 @@ int CmdModify (
     throw std::string ("Only one ID may be specified. See 'timew help modify'.");
   }
 
+  auto range = cli.getRange ({0, 0});
+
   int id = *ids.begin();
 
   flattenDatabase (database, rules);
@@ -84,7 +87,7 @@ int CmdModify (
   }
 
   assert (intervals.size () == 1);
-  if (! filter.is_started ())
+  if (! range.is_started ())
   {
     throw std::string ("No updated time specified. See 'timew help modify'.");
   }
@@ -94,7 +97,7 @@ int CmdModify (
   switch (op)
   {
   case MODIFY_START:
-    modified.start = filter.start;
+    modified.start = range.start;
     break;
 
   case MODIFY_END:
@@ -102,7 +105,7 @@ int CmdModify (
     {
       throw format ("Cannot modify end of open interval @{1}.", id);
     }
-    modified.end = filter.start;
+    modified.end = range.start;
     break;
   }
 
diff --git a/src/commands/CmdReport.cpp b/src/commands/CmdReport.cpp
index 30003717..2870b9f5 100644
--- a/src/commands/CmdReport.cpp
+++ b/src/commands/CmdReport.cpp
@@ -134,24 +134,28 @@ int CmdReport (
   expandIntervalHint (":" + report_hint, default_range);
 
   // Create a filter, and if empty, choose the current week.
-  auto filter = cli.getFilter (default_range);
+  auto tags = cli.getTags ();
+  auto range = cli.getRange (default_range);
 
   IntervalFilterAndGroup filtering ({
-    std::make_shared <IntervalFilterAllInRange> ( Range { filter.start, filter.end }),
-    std::make_shared <IntervalFilterAllWithTags> (filter.tags ())
+    std::make_shared <IntervalFilterAllInRange> (range),
+    std::make_shared <IntervalFilterAllWithTags> (tags)
   });
 
   auto tracked = getTracked (database, rules, filtering);
 
   // Compose Header info.
-  rules.set ("temp.report.start", filter.is_started () ? filter.start.toISO () : "");
-  rules.set ("temp.report.end",   filter.is_ended ()   ? filter.end.toISO ()   : "");
-  rules.set ("temp.report.tags", joinQuotedIfNeeded (",", filter.tags ()));
+  rules.set ("temp.report.start", range.is_started () ? range.start.toISO () : "");
+  rules.set ("temp.report.end",   range.is_ended ()   ? range.end.toISO ()   : "");
+  rules.set ("temp.report.tags", joinQuotedIfNeeded (",", tags));
   rules.set ("temp.version", VERSION);
 
   std::stringstream header;
+
   for (auto& name : rules.all ())
+  {
     header << name << ": " << rules.get (name) << '\n';
+  }
 
   // Get the data.
   auto input = header.str ()
@@ -168,7 +172,9 @@ int CmdReport (
 
   // Display the output.
   for (auto& line : output)
+  {
     std::cout << line << '\n';
+  }
 
   return rc;
 }
diff --git a/src/commands/CmdStart.cpp b/src/commands/CmdStart.cpp
index a56d57d6..ca197ce8 100644
--- a/src/commands/CmdStart.cpp
+++ b/src/commands/CmdStart.cpp
@@ -38,13 +38,14 @@ int CmdStart (
   const bool verbose = rules.getBoolean ("verbose");
   const Datetime now {};
 
-  auto interval = cli.getFilter ({ now, 0 });
+  auto range = cli.getRange ({now, 0});
+  auto tags = cli.getTags ();
 
-  if (interval.start > now)
+  if (range.start > now)
   {
     throw std::string ("Time tracking cannot be set in the future.");
   }
-  else if (!interval.is_started () || interval.is_ended ())
+  else if (! range.is_started () || range.is_ended ())
   {
     throw std::string ("The start command does not accept ranges but only a single datetime. "
                        "Perhaps you want the track command?");
@@ -58,6 +59,8 @@ int CmdStart (
   }
 
   journal.startTransaction ();
+  auto interval = Interval {range, tags};
+
   if (validate (cli, rules, database, interval))
   {
     database.addInterval (interval, verbose);
diff --git a/src/commands/CmdStop.cpp b/src/commands/CmdStop.cpp
index 8fe2948e..a4a5c7e5 100644
--- a/src/commands/CmdStop.cpp
+++ b/src/commands/CmdStop.cpp
@@ -50,7 +50,6 @@ int CmdStop (
   const bool verbose = rules.getBoolean ("verbose");
   const Datetime now {};
 
-  auto filter = cli.getFilter ({ now, 0 });
   // Load the most recent interval.
   auto latest = getLatestInterval (database);
 
@@ -67,30 +66,34 @@ int CmdStop (
                        "Perhaps you want the modify command?.");
   }
 
-  if (! filter.is_started())
+  auto range = cli.getRange ({now, 0});
+
+  if (! range.is_started ())
   {
     throw std::string ("No datetime specified.");
   }
-  else if (filter.start <= latest.start)
+  else if (range.start <= latest.start)
   {
     throw std::string ("The end of a date range must be after the start.");
   }
 
+  auto tags = cli.getTags ();
+
   std::set <std::string> diff = {};
 
   if(! std::includes(latest.tags ().begin (), latest.tags ().end (),
-                     filter.tags ().begin (), filter.tags ().end ()))
+                     tags.begin (), tags.end ()))
   {
-    std::set_difference(filter.tags ().begin (), filter.tags ().end (),
+    std::set_difference(tags.begin (), tags.end (),
                         latest.tags ().begin (), latest.tags ().end (),
                         std::inserter(diff, diff.begin ()));
 
     throw format ("The current interval does not have the '{1}' tag.", *diff.begin ());
   }
-  else if (!filter.tags ().empty ())
+  else if (! tags.empty ())
   {
     std::set_difference(latest.tags ().begin (), latest.tags ().end (),
-                        filter.tags ().begin (), filter.tags ().end (),
+                        tags.begin (), tags.end (),
                         std::inserter(diff, diff.begin()));
   }
 
@@ -98,8 +101,8 @@ int CmdStop (
 
   if (diff.empty ())
   {
-    Interval modified { latest };
-    modified.end = filter.start;
+    Interval modified {latest};
+    modified.end = range.start;
 
     database.deleteInterval (latest);
     validate (cli, rules, database, modified);
@@ -116,7 +119,7 @@ int CmdStop (
   }
   else
   {
-    Interval next { filter.start, 0 };
+    Interval next {range.start, 0};
     for (auto& tag : diff)
     {
       next.tag (tag);
diff --git a/src/commands/CmdSummary.cpp b/src/commands/CmdSummary.cpp
index c4335c34..14296e03 100644
--- a/src/commands/CmdSummary.cpp
+++ b/src/commands/CmdSummary.cpp
@@ -36,7 +36,7 @@
 #include <utf8.h>
 
 // Implemented in CmdChart.cpp.
-std::map <Datetime, std::string> createHolidayMap (Rules&, Interval&);
+std::map <Datetime, std::string> createHolidayMap (Rules&, Range&);
 std::string renderHolidays (const std::map <Datetime, std::string>&);
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -53,12 +53,13 @@ int CmdSummary (
   Range default_range = {};
   expandIntervalHint (":" + report_hint, default_range);
 
-  auto filter = cli.getFilter (default_range);
+  auto range = cli.getRange (default_range);
+  auto tags = cli.getTags ();
 
   // Load the data.
   IntervalFilterAndGroup filtering ({
-    std::make_shared <IntervalFilterAllInRange> ( Range { filter.start, filter.end }),
-    std::make_shared <IntervalFilterAllWithTags> (filter.tags())
+    std::make_shared <IntervalFilterAllInRange> (range),
+    std::make_shared <IntervalFilterAllWithTags> (tags)
   });
 
   auto tracked = getTracked (database, rules, filtering);
@@ -69,16 +70,18 @@ int CmdSummary (
     {
       std::cout << "No filtered data found";
 
-      if (filter.is_started ())
+      if (range.is_started ())
       {
-        std::cout << " in the range " << filter.start.toISOLocalExtended ();
-        if (filter.is_ended ())
-          std::cout << " - " << filter.end.toISOLocalExtended ();
+        std::cout << " in the range " << range.start.toISOLocalExtended ();
+        if (range.is_ended ())
+        {
+          std::cout << " - " << range.end.toISOLocalExtended ();
+        }
       }
 
-      if (! filter.tags ().empty ())
+      if (! tags.empty ())
       {
-        std::cout << " tagged with " << joinQuotedIfNeeded (", ", filter.tags ());
+        std::cout << " tagged with " << joinQuotedIfNeeded (", ", tags);
       }
 
       std::cout << ".\n";
@@ -159,8 +162,8 @@ int CmdSummary (
   time_t grand_total = 0;
   Datetime previous;
 
-  auto days_start = filter.is_started() ? filter.start : tracked.front ().start;
-  auto days_end   = filter.is_ended()   ? filter.end   : tracked.back ().end;
+  auto days_start = range.is_started() ? range.start : tracked.front ().start;
+  auto days_end   = range.is_ended()   ? range.end   : tracked.back ().end;
 
   const auto now = Datetime ();
 
@@ -221,8 +224,8 @@ int CmdSummary (
 
       if (show_tags)
       {
-        std::string tags = join (", ", track.tags ());
-        table.set (row, tags_col_index, tags, summaryIntervalColor (rules, track.tags ()));
+        std::string tags_string = join (", ", track.tags ());
+        table.set (row, tags_col_index, tags_string, summaryIntervalColor (rules, track.tags ()));
       }
 
       if (show_annotations)
@@ -260,7 +263,7 @@ int CmdSummary (
 
   std::cout << '\n'
             << table.render ()
-            << (show_holidays ? renderHolidays (createHolidayMap (rules, filter)) : "")
+            << (show_holidays ? renderHolidays (createHolidayMap (rules, range)) : "")
             << '\n';
 
   return 0;
diff --git a/src/commands/CmdTag.cpp b/src/commands/CmdTag.cpp
index f774bea7..d03e473e 100644
--- a/src/commands/CmdTag.cpp
+++ b/src/commands/CmdTag.cpp
@@ -43,7 +43,7 @@ int CmdTag (
 
   // Gather IDs and TAGs.
   std::set <int> ids = cli.getIds ();
-  std::vector<std::string> tags = cli.getTags ();
+  std::set<std::string> tags = cli.getTags ();
 
   if (tags.empty ())
   {
diff --git a/src/commands/CmdTags.cpp b/src/commands/CmdTags.cpp
index 25882c07..d36e46b4 100644
--- a/src/commands/CmdTags.cpp
+++ b/src/commands/CmdTags.cpp
@@ -42,15 +42,14 @@ int CmdTags (
 {
   const bool verbose = rules.getBoolean ("verbose");
 
-  // Create a filter, with no default range.
-  auto filter = cli.getFilter ();
   IntervalFilterAndGroup filtering ({
-    std::make_shared <IntervalFilterAllInRange> ( Range { filter.start, filter.end }),
-    std::make_shared <IntervalFilterAllWithTags> (filter.tags ())
+    std::make_shared <IntervalFilterAllInRange> (cli.getRange ()),
+    std::make_shared <IntervalFilterAllWithTags> (cli.getTags ())
   });
 
   // Generate a unique, ordered list of tags.
   std::set <std::string> tags;
+
   for (const auto& interval : getTracked (database, rules, filtering))
     for (auto& tag : interval.tags ())
       tags.insert (tag);
diff --git a/src/commands/CmdTrack.cpp b/src/commands/CmdTrack.cpp
index de125c8a..e1b6cbcd 100644
--- a/src/commands/CmdTrack.cpp
+++ b/src/commands/CmdTrack.cpp
@@ -37,8 +37,6 @@ int CmdTrack (
 {
   const bool verbose = rules.getBoolean ("verbose");
 
-  auto filter = cli.getFilter ();
-
   // We expect no ids
   if (! cli.getIds ().empty ())
   {
@@ -46,23 +44,32 @@ int CmdTrack (
                        "Perhaps you want the continue command?");
   }
 
+  auto range = cli.getRange ();
+
   // If this is not a proper closed interval, then the user is trying to make
   // the 'track' command behave like 'start', so delegate to CmdStart.
-  if (! filter.is_started () ||
-      ! filter.is_ended ())
+  if (! range.is_started () || ! range.is_ended ())
+  {
     return CmdStart (cli, rules, database, journal);
+  }
+
+  auto tags = cli.getTags ();
 
   journal.startTransaction ();
 
+  auto filter = Interval {range, tags};
+
   // Validation must occur before flattening.
   validate (cli, rules, database, filter);
 
-  for (auto& interval : flatten (filter, getAllExclusions (rules, filter)))
+  for (auto& interval : flatten (filter, getAllExclusions (rules, range)))
   {
     database.addInterval (interval, verbose);
 
     if (verbose)
+    {
       std::cout << intervalSummarize (rules, interval);
+    }
   }
 
   journal.endTransaction ();
diff --git a/src/commands/CmdUntag.cpp b/src/commands/CmdUntag.cpp
index 1e88c99b..d8fb6cbe 100644
--- a/src/commands/CmdUntag.cpp
+++ b/src/commands/CmdUntag.cpp
@@ -43,7 +43,7 @@ int CmdUntag (
 
   // Gather IDs and TAGs.
   std::set <int> ids = cli.getIds ();
-  std::vector<std::string> tags = cli.getTags ();
+  std::set<std::string> tags = cli.getTags ();
 
   if (tags.empty ())
   {
diff --git a/src/dom.cpp b/src/dom.cpp
index 051d8217..22521a07 100644
--- a/src/dom.cpp
+++ b/src/dom.cpp
@@ -119,8 +119,8 @@ bool domGet (
     else if (pig.skipLiteral ("tracked."))
     {
       IntervalFilterAndGroup filtering ({
-        std::make_shared <IntervalFilterAllInRange> ( Range { filter.start, filter.end }),
-        std::make_shared <IntervalFilterAllWithTags> (filter.tags())
+        std::make_shared <IntervalFilterAllInRange> (Range {filter.start, filter.end}),
+        std::make_shared <IntervalFilterAllWithTags> (filter.tags ())
       });
 
       auto tracked = getTracked (database, rules, filtering);
diff --git a/test/tag.t b/test/tag.t
index dfa833ba..9b5ae503 100755
--- a/test/tag.t
+++ b/test/tag.t
@@ -124,7 +124,7 @@ class TestTag(TestCase):
 
         code, out, err = self.t("tag @1 foo bar")
 
-        self.assertIn("Added foo bar to @1", out)
+        self.assertIn("Added bar foo to @1", out)
 
         j = self.t.export()
         self.assertOpenInterval(j[0], expectedTags=["bar", "foo"])
@@ -138,7 +138,7 @@ class TestTag(TestCase):
 
         code, out, err = self.t("tag @1 foo bar")
 
-        self.assertIn("Added foo bar to @1", out)
+        self.assertIn("Added bar foo to @1", out)
 
         j = self.t.export()
         self.assertClosedInterval(j[0], expectedTags=["bar", "foo"])
@@ -171,7 +171,7 @@ class TestTag(TestCase):
 
         code, out, err = self.t("tag @1 @2 foo bar")
 
-        self.assertIn("Added foo bar to @2\nAdded foo bar to @1", out)
+        self.assertIn("Added bar foo to @2\nAdded bar foo to @1", out)
 
         j = self.t.export()
         self.assertClosedInterval(j[0], expectedTags=["bar", "foo", "one"])
diff --git a/test/untag.t b/test/untag.t
index f15c388a..ccba1f7b 100755
--- a/test/untag.t
+++ b/test/untag.t
@@ -124,7 +124,7 @@ class TestUntag(TestCase):
 
         code, out, err = self.t("untag @1 foo bar")
 
-        self.assertIn('Removed foo bar from @1', out)
+        self.assertIn('Removed bar foo from @1', out)
 
         j = self.t.export()
         self.assertOpenInterval(j[0], expectedTags=["baz"])
@@ -138,7 +138,7 @@ class TestUntag(TestCase):
 
         code, out, err = self.t("untag @1 foo bar")
 
-        self.assertIn('Removed foo bar from @1', out)
+        self.assertIn('Removed bar foo from @1', out)
 
         j = self.t.export()
         self.assertClosedInterval(j[0], expectedTags=["baz"])
@@ -171,7 +171,7 @@ class TestUntag(TestCase):
 
         code, out, err = self.t("untag @1 @2 foo bar")
 
-        self.assertIn('Removed foo bar from @2\nRemoved foo bar from @1', out)
+        self.assertIn('Removed bar foo from @2\nRemoved bar foo from @1', out)
 
         j = self.t.export()
         self.assertClosedInterval(j[0], expectedTags=["one"])