Revert "Change Style RunProperty internal structs val to public (#814)" (#818)

This reverts commit fbe87945e0.

docx-core/src/documents/elements/bold.rs

@@ -6,7 +6,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 pub struct Bold {
-    pub val: bool,
+    val: bool,
 }
 
 impl Bold {

docx-core/src/documents/elements/bold_cs.rs

@@ -6,7 +6,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 pub struct BoldCs {
-    pub val: bool,
+    val: bool,
 }
 
 impl BoldCs {

docx-core/src/documents/elements/caps.rs

@@ -8,7 +8,7 @@ use crate::{xml_builder::XMLBuilder, BuildXML};
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 pub struct Caps {
-    pub val: bool,
+    val: bool,
 }
 
 impl Caps {

docx-core/src/documents/elements/character_spacing.rs

@@ -7,7 +7,7 @@ use serde::*;
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 #[serde(rename_all = "camelCase")]
 pub struct CharacterSpacing {
-    pub value: i32,
+    value: i32,
 }
 
 impl CharacterSpacing {

docx-core/src/documents/elements/color.rs

@@ -6,7 +6,7 @@ use crate::xml_builder::*;
 
 #[derive(Deserialize, Debug, Clone, PartialEq)]
 pub struct Color {
-    pub val: String,
+    val: String,
 }
 
 impl Color {

docx-core/src/documents/elements/highlight.rs

@@ -6,7 +6,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 pub struct Highlight {
-    pub val: String,
+    val: String,
 }
 
 impl Highlight {

docx-core/src/documents/elements/italic.rs

@@ -6,7 +6,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 pub struct Italic {
-    pub val: bool,
+    val: bool,
 }
 
 impl Italic {

docx-core/src/documents/elements/italic_cs.rs

@@ -6,7 +6,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 pub struct ItalicCs {
-    pub val: bool,
+    val: bool,
 }
 
 impl ItalicCs {

docx-core/src/documents/elements/line_spacing.rs

@@ -9,17 +9,17 @@ use serde::*;
 #[serde(rename_all = "camelCase")]
 pub struct LineSpacing {
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub line_rule: Option<LineSpacingType>,
+    line_rule: Option<LineSpacingType>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub before: Option<u32>,
+    before: Option<u32>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub after: Option<u32>,
+    after: Option<u32>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub before_lines: Option<u32>,
+    before_lines: Option<u32>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub after_lines: Option<u32>,
+    after_lines: Option<u32>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub line: Option<i32>,
+    line: Option<i32>,
 }
 
 impl LineSpacing {

docx-core/src/documents/elements/link.rs

@@ -7,7 +7,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, PartialEq)]
 pub struct Link {
-    pub val: String,
+    val: String,
 }
 
 impl Link {

docx-core/src/documents/elements/run_fonts.rs

@@ -17,23 +17,23 @@ use crate::xml_builder::*;
 #[serde(rename_all = "camelCase")]
 pub struct RunFonts {
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub ascii: Option<String>,
+    ascii: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub hi_ansi: Option<String>,
+    hi_ansi: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub east_asia: Option<String>,
+    east_asia: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub cs: Option<String>,
+    cs: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub ascii_theme: Option<String>,
+    ascii_theme: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub hi_ansi_theme: Option<String>,
+    hi_ansi_theme: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub east_asia_theme: Option<String>,
+    east_asia_theme: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub cs_theme: Option<String>,
+    cs_theme: Option<String>,
     #[serde(skip_serializing_if = "Option::is_none")]
-    pub hint: Option<String>,
+    hint: Option<String>,
 }
 
 impl RunFonts {

docx-core/src/documents/elements/sz.rs

@@ -6,7 +6,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 pub struct Sz {
-    pub val: usize,
+    val: usize,
 }
 
 impl Sz {

docx-core/src/documents/elements/sz_cs.rs

@@ -5,7 +5,7 @@ use std::io::Write;
 
 #[derive(Deserialize, Debug, Clone, PartialEq)]
 pub struct SzCs {
-    pub val: usize,
+    val: usize,
 }
 
 impl SzCs {

docx-core/src/documents/elements/underline.rs

@@ -6,7 +6,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, Deserialize, PartialEq)]
 pub struct Underline {
-    pub val: String,
+    val: String,
 }
 
 impl Underline {

docx-core/src/documents/elements/vert_align.rs

@@ -7,7 +7,7 @@ use crate::xml_builder::*;
 
 #[derive(Debug, Clone, PartialEq)]
 pub struct VertAlign {
-    pub val: VertAlignType,
+    val: VertAlignType,
 }
 
 impl VertAlign {