diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index 829b0446..4b352472 100755
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -4140,6 +4140,7 @@ XML:
- .rdf
- .resx
- .rss
+ - .sch
- .scxml
- .sfproj
- .srdf
diff --git a/samples/XML/HITSP_C32.sch b/samples/XML/HITSP_C32.sch
new file mode 100644
index 00000000..62750fdd
--- /dev/null
+++ b/samples/XML/HITSP_C32.sch
@@ -0,0 +1,207 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+]>
+
+
+ HITSP_C32
+
+
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+
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+
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+
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+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.1;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.2;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.3;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.4;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.5;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.6;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.7;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.8;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.9;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.10;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.11;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.12;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.13;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.14;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.15;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.16;
+
+
+
+
+ &ent-2.16.840.1.113883.3.88.11.32.17;
+
+
diff --git a/samples/XML/namespace-strict.sch b/samples/XML/namespace-strict.sch
new file mode 100644
index 00000000..f55a5143
--- /dev/null
+++ b/samples/XML/namespace-strict.sch
@@ -0,0 +1,84 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ >
+
+
+
+
+
+
+
+
+
+
+
+
+ Unrecognized namespace prefix:
+
+
+
+ Unrecognized namespace URI:
+
+
+
+
+
+ Prefix
+ assigned incorrectly:
+
+
+
+
+
+
+ Namespace may not be declared here.
+
+
+ Namespace may not be undeclared here.
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/samples/XML/oasis-table.sch b/samples/XML/oasis-table.sch
new file mode 100644
index 00000000..c947aeb2
--- /dev/null
+++ b/samples/XML/oasis-table.sch
@@ -0,0 +1,151 @@
+
+
+
+
+
+
+
+
+ OASIS/CALS table validation
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ tgroup/@cols is not given
+ @cols should be a natural number
+ (integer greater than zero).
+ The tgroup has
+ colspec,
+ but its @cols is given as ''.
+ tgroup/@cols is given as
+ , but all rows have entr.
+
+ Without assigning @char or @charoff to everything,
+ assigning @align='char' to tgroup only aligns contents to right of center.
+
+
+
+
+ Malformed @colwidth.
+ @colwidth unit
+ () is not consistent with the
+ units on other colspecs.
+
+ @colwidth must be positive
+ The same unit of measure should be used on every
+ colspec/@colwidth.
+
+ @colnum
+ '' does not correspond to
+ the column's actual number ()
+ The same @colname is assigned to more than
+ one colspec.
+ @align='char', but no @char is given.
+ @char is given, but alignment is not 'char'.
+ @charoff is given, but alignment is not 'char'.
+
+
+
+
+
+
+
+ The row doesn't have enough entries (
+ expected;
+ given).
+
+
+
+
+ No colspec is
+ named .
+ Entry's end
+ column () must follow its start column
+ ().
+ No colspec is
+ named .
+ No colspec is
+ named .
+ Entry is assigned an end
+ column () but not a start column.
+ Entry is assigned to column ,
+ so it can't start at column .
+
+
+
+ Entry must be assigned to a free column (after its preceding entries).
+
+
+ This entry doesn't fit into
+ its .
+
+
+ A row in which this entry appears has too many entries.
+
+
+
+ Entry does not fit in row. ( are allowed; entry
+ is in column .)
+
+
+
+ @char is given, but alignment is not 'char'.
+ @charoff is given, but alignment is not 'char'.
+ @charoff must be a whole number between 0 and 100.
+
+ Entry is designated for character alignment, but no character (@char) is given on it or its colspec.
+
+
+ Entry is assigned an alignment character ()
+ different from its column's ().
+ With @align='char', markup of
+ entry contents () will be ignored.
+
+
+
\ No newline at end of file