diff --git a/moo/mooterm/mooterm-text.c b/moo/mooterm/mooterm-text.c
index 58003df8..fc921888 100644
--- a/moo/mooterm/mooterm-text.c
+++ b/moo/mooterm/mooterm-text.c
@@ -1383,6 +1383,7 @@ moo_term_apply_tag (MooTerm            *term,
     MooTermBuffer *buf;
     MooTermLine *line;
     int i;
+    Segment inv;
 
     g_return_if_fail (MOO_IS_TERM (term));
     g_return_if_fail (MOO_IS_TERM_TAG (tag));
@@ -1416,7 +1417,9 @@ moo_term_apply_tag (MooTerm            *term,
         }
     }
 
-    /* XXX invalidate */
+    inv.start = *start;
+    inv.end = *end;
+    invalidate_segment (&inv, 1);
 }
 
 
@@ -1428,6 +1431,7 @@ moo_term_remove_tag (MooTerm            *term,
 {
     MooTermBuffer *buf;
     MooTermLine *line;
+    Segment inv;
     int i;
 
     g_return_if_fail (MOO_IS_TERM (term));
@@ -1462,7 +1466,9 @@ moo_term_remove_tag (MooTerm            *term,
         }
     }
 
-    /* XXX invalidate */
+    inv.start = *start;
+    inv.end = *end;
+    invalidate_segment (&inv, 1);
 }
 
 
diff --git a/moo/mooutils/py2h.sh b/moo/mooutils/py2h.sh
index 68c66bb3..3ff856ba 100644
--- a/moo/mooutils/py2h.sh
+++ b/moo/mooutils/py2h.sh
@@ -3,6 +3,9 @@ if [ x$2 = x ]; then
     exit 1
 fi
 
-echo "static const char *$1 = \"\""
-sed 's/\\/\\\\/g' | sed 's/"/\\"/g' $2 | sed 's/^\(.*\)$/"\1\\n"/'
+VARNAME=$1
+INPUT=$2
+
+echo "static const char *$VARNAME = \"\""
+sed 's/\\/\\\\/g' $INPUT | sed 's/"/\\"/g' | sed 's/^\(.*\)$/"\1\\n"/'
 echo ";"
diff --git a/moo/mooutils/xml2h.sh b/moo/mooutils/xml2h.sh
index 9dc5da2e..52371f95 100644
--- a/moo/mooutils/xml2h.sh
+++ b/moo/mooutils/xml2h.sh
@@ -3,6 +3,9 @@ if [ x$2 = x ]; then
     exit 1
 fi
 
-echo "static const char *$1 = \"\""
-sed 's/"/\\"/g' $2 | sed 's/^\(.*\)$/"\1\\n"/'
+VARNAME=$1
+INPUT=$2
+
+echo "static const char *$VARNAME = \"\""
+sed 's/"/\\"/g' $INPUT | sed 's/^\(.*\)$/"\1\\n"/'
 echo ";"