patch 9.0.0886: horizontal mouse scroll only works in the GUI
Problem: Horizontal mouse scroll only works in the GUI.
Solution: Make horizontal mouse scroll also work in a terminal.
(Christopher Plewright, closes #11448)
diff --git a/src/proto/ui.pro b/src/proto/ui.pro
index f44bad1..7ad7c75 100644
--- a/src/proto/ui.pro
+++ b/src/proto/ui.pro
@@ -30,6 +30,8 @@
void ui_cursor_shape(void);
int check_col(int col);
int check_row(int row);
+long scroll_line_len(linenr_T lnum);
+linenr_T ui_find_longest_lnum(void);
void ui_focus_change(int in_focus);
void im_save_status(long *psave);
/* vim: set ft=c : */