The following misc editorial fixes required in SML spec.

[1]
Add xs:schema declaration with targetNamespace="urn:IPAddress" to the IPAddress examples so that the sch:ns usage in the example becomes correct.

[2]
Fix inconsistent punctuation in 6.3.2 numbered bullet.

[3]
In Appendix F:
Fix the line below:
, the translation files should contain 

so that it does not start with a comma.

[4]
Fix typos/grammar errors below:

in 5.1.2.3:
from:
If an element declaration E has {target required} true, then each element instance of E that is also an SML reference MUST target some element in the model, (no instance of E can be a null or unresolved SML reference).

to:
If an element declaration E has {target required} true, then each element instance of E that is also an SML reference MUST target some element in the model. That is, no instance of E can be a null or unresolved SML reference.

5.1.3 bullet 1:
from:
if ...

to:
If ...

in 5.2.1.2:
from:
DerefExpr ::= (NCName ':')? 'deref(' Step (/Step)* ')'  ('/'Step)* 

to:
DerefExpr ::= (NCName ':')? 'deref(' Step ('/'Step)* ')'  ('/'Step)* 

in 6.1:
from:
Schematron patterns can be authored in separate rule documents which are then bound to a set of documents in the model. 

to:
Schematron patterns can be authored in separate rule documents that  are then bound to a set of documents in the model. 


in 6.3.1:
from:
Otherwise ({base type definition} is a simple type definition, the empty set. 

to:
Otherwise ({base type definition} is a simple type definition), the empty set. 

in 9.1.1:
from:
<xs:complexType name="Hostref" sml:acyclic="true">

to:
<xs:complexType name="HostedOnRefType" sml:acyclic="true">