1 files changed, 41 insertions, 3 deletions

diff --git a/src/xml/mod.rs b/src/xml/mod.rs
index 3150df0..43f3027 100644
--- a/src/xml/mod.rs
+++ b/src/xml/mod.rs
@@ -389,9 +389,9 @@ pub type Prolog<'s> = (
 /// [23]   	XMLDecl	   ::=   	'<?xml' VersionInfo EncodingDecl? SDDecl? S? '?>'
 #[derive(Debug)]
 pub struct XMLDecl<'s> {
-    version_info: VersionInfo,
-    encoding_decl: Option<EncodingDecl<'s>>,
-    sd_decl: Option<SDDecl>,
+    pub(crate) version_info: VersionInfo,
+    pub(crate) encoding_decl: Option<EncodingDecl<'s>>,
+    pub(crate) sd_decl: Option<SDDecl>,
 }
 
 /// [24]   	VersionInfo	   ::=   	S 'version' Eq ("'" VersionNum "'" | '"' VersionNum '"')
@@ -401,6 +401,17 @@ pub enum VersionInfo {
     DoubleQuoted(VersionNum),
 }
 
+impl Deref for VersionInfo {
+    type Target = VersionNum;
+
+    fn deref(&self) -> &Self::Target {
+        match self {
+            VersionInfo::SingleQuoted(version_num) => version_num,
+            VersionInfo::DoubleQuoted(version_num) => version_num,
+        }
+    }
+}
+
 /// [25]   	Eq	   ::=   	S? '=' S?
 #[derive(Clone)]
 pub struct Eq;
@@ -479,6 +490,17 @@ pub enum SDDecl {
     DoubleQuoted(bool),
 }
 
+impl Deref for SDDecl {
+    type Target = bool;
+
+    fn deref(&self) -> &Self::Target {
+        match self {
+            SDDecl::SingleQuoted(b) => b,
+            SDDecl::DoubleQuoted(b) => b,
+        }
+    }
+}
+
 // (Productions 33 through 38 have been removed.)
 
 /// [39]   	element	   ::=   	EmptyElemTag | STag content ETag
@@ -846,10 +868,26 @@ pub struct ExtParsedEnt<'s> {
 // TODO?: select quote version
 pub struct EncodingDecl<'s>(EncName<'s>);
 
+impl<'s> Deref for EncodingDecl<'s> {
+    type Target = EncName<'s>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
 /// [81]   	EncName	   ::=   	[A-Za-z] ([A-Za-z0-9._] | '-')*
 #[derive(Debug)]
 pub struct EncName<'s>(&'s str);
 
+impl<'s> Deref for EncName<'s> {
+    type Target = &'s str;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
 #[derive(Debug)]
 pub enum NotationDeclID<'s> {
     External(ExternalID<'s>),