GHEC version (#20947)

Co-authored-by: Matt Pollard <mattpollard@users.noreply.github.com>
Co-authored-by: Grace Park <gracepark@github.com>
Co-authored-by: Steve Guntrip <12534592+stevecat@users.noreply.github.com>
Co-authored-by: Robert Sese <sese@github.com>
Co-authored-by: Peter Bengtsson <peterbe@github.com>
Co-authored-by: Rachael Sewell <rachmari@github.com>

content/github/importing-your-projects-to-github/working-with-subversion-on-github/index.md

@@ -6,6 +6,7 @@ redirect_from:
 versions:
   fpt: '*'
   ghes: '*'
+  ghec: '*'
 children:
   - /what-are-the-differences-between-subversion-and-git
   - /support-for-subversion-clients

content/github/importing-your-projects-to-github/working-with-subversion-on-github/subversion-properties-supported-by-github.md

@@ -7,6 +7,7 @@ redirect_from:
 versions:
   fpt: '*'
   ghes: '*'
+  ghec: '*'
 shortTitle: Properties supported by GitHub
 ---
 ## Executable files (svn:executable)

content/github/importing-your-projects-to-github/working-with-subversion-on-github/support-for-subversion-clients.md

@@ -7,6 +7,7 @@ redirect_from:
 versions:
   fpt: '*'
   ghes: '*'
+  ghec: '*'
 shortTitle: Support for Subversion clients
 ---
 GitHub supports Subversion clients via the HTTPS protocol. We use a Subversion bridge to communicate svn commands to GitHub.

content/github/importing-your-projects-to-github/working-with-subversion-on-github/what-are-the-differences-between-subversion-and-git.md

@@ -8,6 +8,7 @@ redirect_from:
 versions:
   fpt: '*'
   ghes: '*'
+  ghec: '*'
 shortTitle: Subversion & Git differences
 ---
 ## Directory structure
@@ -48,7 +49,7 @@ A *subproject* is a project that's developed and managed somewhere outside of yo
 
 In SVN, a subproject is called an *SVN external*. In Git, it's called a *Git submodule*. Although conceptually similar, Git submodules are not kept up-to-date automatically; you must explicitly ask for a new version to be brought into your project.
 
-For more information, see “[Git Tools Submodules](https://git-scm.com/book/en/Git-Tools-Submodules)" in the Git documentation.
+For more information, see "[Git Tools Submodules](https://git-scm.com/book/en/Git-Tools-Submodules)" in the Git documentation.
 
 ## Preserving history