Add 1.0 conformance requirement

Author: pmai

docs/5___ssd.adoc

@@ -18,6 +18,7 @@ The root element of an SSD file *MUST* be a SystemStructureDescription element,
 |version |This required attribute specifies the version of this specification that the system description conforms to.
 Only major and minor version number are included, the patch version number *MUST NOT* be included in this attribute.
 For the current release this *MUST* be either 1.0 or 2.0.
+If it is 1.0 the file *MUST* also conform fully to the 1.0 standard.
 |name |This required attribute provides a name, which can be used for purposes of presenting the system structure to the user, for example when selecting individual variant SSDs from an SSP.
 |===
 

docs/6___ssv.adoc

@@ -25,6 +25,7 @@ If the SSV is provided as a separate file, the root element *MUST* be a Paramete
 |version |This required attribute specifies the version of this specification that the parameter set conforms to.
 Only major and minor version number are included, the patch version number *MUST NOT* be included in this attribute.
 For the current release this *MUST* be either 1.0 or 2.0.
+If it is 1.0 the file *MUST* also conform fully to the 1.0 standard.
 |name |This required attribute provides a name which can be used for purposes of presenting the parameter set to the user.
 |===
 

docs/7___ssm.adoc

@@ -32,6 +32,7 @@ Implementations *CAN* map the same parameter to multiple names.
 |version |This required attribute specifies the version of this specification that the parameter mapping conforms to.
 Only major and minor version number are included, the patch version number *MUST NOT* be included in this attribute.
 For the current release this *MUST* be either 1.0 or 2.0.
+If it is 1.0 the file *MUST* also conform fully to the 1.0 standard.
 |===
 
 ==== MappingEntry

docs/8___ssb.adoc

@@ -26,6 +26,7 @@ This element describes a signal dictionary, which consists of one or more dictio
 |version |This required attribute specifies the version of this specification that the parameter mapping conforms to.
 Only major and minor version number are included, the patch version number *MUST NOT* be included in this attribute.
 For the current release this *MUST* be either 1.0 or 2.0.
+If it is 1.0 the file *MUST* also conform fully to the 1.0 standard.
 |===
 
 The following XML child elements are specified for the SignalDictionary element: