1 files changed, 48 insertions, 11 deletions

diff --git a/src/nvim/api/tabpage.c b/src/nvim/api/tabpage.c
index c8311b0aa0..8b1fb041e2 100644
--- a/src/nvim/api/tabpage.c
+++ b/src/nvim/api/tabpage.c
@@ -14,7 +14,7 @@
 /// @param tabpage The tabpage
 /// @param[out] err Details of an error that may have occurred
 /// @return The windows in `tabpage`
-ArrayOf(Window) tabpage_get_windows(Tabpage tabpage, Error *err)
+ArrayOf(Window) nvim_tabpage_list_wins(Tabpage tabpage, Error *err)
 {
   Array rv = ARRAY_DICT_INIT;
   tabpage_T *tab = find_tab_by_handle(tabpage, err);
@@ -43,7 +43,7 @@ ArrayOf(Window) tabpage_get_windows(Tabpage tabpage, Error *err)
 /// @param name The variable name
 /// @param[out] err Details of an error that may have occurred
 /// @return The variable value
-Object tabpage_get_var(Tabpage tabpage, String name, Error *err)
+Object nvim_tabpage_get_var(Tabpage tabpage, String name, Error *err)
 {
   tabpage_T *tab = find_tab_by_handle(tabpage, err);
 
@@ -60,6 +60,44 @@ Object tabpage_get_var(Tabpage tabpage, String name, Error *err)
 /// @param name The variable name
 /// @param value The variable value
 /// @param[out] err Details of an error that may have occurred
+void nvim_tabpage_set_var(Tabpage tabpage,
+                          String name,
+                          Object value,
+                          Error *err)
+{
+  tabpage_T *tab = find_tab_by_handle(tabpage, err);
+
+  if (!tab) {
+    return;
+  }
+
+  dict_set_value(tab->tp_vars, name, value, false, false, err);
+}
+
+/// Removes a tab-scoped (t:) variable
+///
+/// @param tabpage handle
+/// @param name The variable name
+/// @param[out] err Details of an error that may have occurred
+void nvim_tabpage_del_var(Tabpage tabpage, String name, Error *err)
+{
+  tabpage_T *tab = find_tab_by_handle(tabpage, err);
+
+  if (!tab) {
+    return;
+  }
+
+  dict_set_value(tab->tp_vars, name, NIL, true, false, err);
+}
+
+/// Sets a tab-scoped (t:) variable
+///
+/// @deprecated
+///
+/// @param tabpage handle
+/// @param name The variable name
+/// @param value The variable value
+/// @param[out] err Details of an error that may have occurred
 /// @return The old value or nil if there was no previous value.
 ///
 ///         @warning It may return nil if there was no previous value
@@ -72,18 +110,17 @@ Object tabpage_set_var(Tabpage tabpage, String name, Object value, Error *err)
     return (Object) OBJECT_INIT;
   }
 
-  return dict_set_value(tab->tp_vars, name, value, false, err);
+  return dict_set_value(tab->tp_vars, name, value, false, true, err);
 }
 
 /// Removes a tab-scoped (t:) variable
 ///
+/// @deprecated
+///
 /// @param tabpage handle
 /// @param name The variable name
 /// @param[out] err Details of an error that may have occurred
-/// @return The old value or nil if there was no previous value.
-///
-///         @warning It may return nil if there was no previous value
-///                  or if previous value was `v:null`.
+/// @return The old value
 Object tabpage_del_var(Tabpage tabpage, String name, Error *err)
 {
   tabpage_T *tab = find_tab_by_handle(tabpage, err);
@@ -92,7 +129,7 @@ Object tabpage_del_var(Tabpage tabpage, String name, Error *err)
     return (Object) OBJECT_INIT;
   }
 
-  return dict_set_value(tab->tp_vars, name, NIL, true, err);
+  return dict_set_value(tab->tp_vars, name, NIL, true, true, err);
 }
 
 /// Gets the current window in a tab page
@@ -100,7 +137,7 @@ Object tabpage_del_var(Tabpage tabpage, String name, Error *err)
 /// @param tabpage The tab page handle
 /// @param[out] err Details of an error that may have occurred
 /// @return The Window handle
-Window tabpage_get_window(Tabpage tabpage, Error *err)
+Window nvim_tabpage_get_win(Tabpage tabpage, Error *err)
 {
   Window rv = 0;
   tabpage_T *tab = find_tab_by_handle(tabpage, err);
@@ -110,7 +147,7 @@ Window tabpage_get_window(Tabpage tabpage, Error *err)
   }
 
   if (tab == curtab) {
-    return vim_get_current_window();
+    return nvim_get_current_win();
   } else {
     FOR_ALL_WINDOWS_IN_TAB(wp, tab) {
       if (wp == tab->tp_curwin) {
@@ -126,7 +163,7 @@ Window tabpage_get_window(Tabpage tabpage, Error *err)
 ///
 /// @param tabpage The tab page handle
 /// @return true if the tab page is valid, false otherwise
-Boolean tabpage_is_valid(Tabpage tabpage)
+Boolean nvim_tabpage_is_valid(Tabpage tabpage)
 {
   Error stub = ERROR_INIT;
   return find_tab_by_handle(tabpage, &stub) != NULL;