rename translation key

Author: silverwind

options/locale/locale_en-US.ini

@@ -95,7 +95,7 @@ copy_content = Copy content
 copy_branch = Copy branch name
 copy_success = Copied!
 copy_error = Copy failed
-copy_unsupported = This file type can not be copied
+copy_type_unsupported = This file type can not be copied
 
 write = Write
 preview = Preview

templates/repo/view_file.tmpl

@@ -38,7 +38,7 @@
 					{{end}}
 				</div>
 				<a download href="{{$.RawFileLink}}"><span class="btn-octicon tooltip" data-content="{{.locale.Tr "repo.download_file"}}" data-position="bottom center">{{svg "octicon-download"}}</span></a>
-				<a id="copy-content" class="btn-octicon tooltip{{if not .CanCopyContent}} disabled{{end}}"{{if or .IsImageFile (and .HasSourceRenderedToggle (not .IsDisplayingSource))}} data-link="{{$.RawFileLink}}"{{end}} data-content="{{if .CanCopyContent}}{{.locale.Tr "copy_content"}}{{else}}{{.locale.Tr "copy_unsupported"}}{{end}}">{{svg "octicon-copy" 14}}</a>
+				<a id="copy-content" class="btn-octicon tooltip{{if not .CanCopyContent}} disabled{{end}}"{{if or .IsImageFile (and .HasSourceRenderedToggle (not .IsDisplayingSource))}} data-link="{{$.RawFileLink}}"{{end}} data-content="{{if .CanCopyContent}}{{.locale.Tr "copy_content"}}{{else}}{{.locale.Tr "copy_type_unsupported"}}{{end}}">{{svg "octicon-copy" 14}}</a>
 				{{if .Repository.CanEnableEditor}}
 					{{if .CanEditFile}}
 						<a href="{{.RepoLink}}/_edit/{{PathEscapeSegments .BranchName}}/{{PathEscapeSegments .TreePath}}"><span class="btn-octicon tooltip" data-content="{{.EditFileTooltip}}" data-position="bottom center">{{svg "octicon-pencil"}}</span></a>