updated for version 7.3.745

Problem:    Automatically setting 'ttymouse' doesn't work.
Solution:   Reset the "option was set" flag when using the default.

src/option.c

@@ -11178,6 +11178,19 @@ option_was_set(name)
     return FALSE;
 }
 
+/*
+ * Reset the flag indicating option "name" was set.
+ */
+    void
+reset_option_was_set(name)
+    char_u	*name;
+{
+    int idx = findoption(name);
+
+    if (idx >= 0)
+	options[idx].flags &= ~P_WAS_SET;
+}
+
 /*
  * compatible_set() - Called when 'compatible' has been set or unset.
  *

src/proto/option.pro

@@ -52,6 +52,7 @@ int shortmess __ARGS((int x));
 void vimrc_found __ARGS((char_u *fname, char_u *envname));
 void change_compatible __ARGS((int on));
 int option_was_set __ARGS((char_u *name));
+void reset_option_was_set __ARGS((char_u *name));
 int can_bs __ARGS((int what));
 void save_file_ff __ARGS((buf_T *buf));
 int file_ff_differs __ARGS((buf_T *buf, int ignore_empty));

src/term.c

@@ -1864,7 +1864,12 @@ set_termname(term)
 	}
 #  endif
 	if (p != NULL)
+	{
 	    set_option_value((char_u *)"ttym", 0L, p, 0);
+	    /* Reset the WAS_SET flag, 'ttymouse' can be set to "sgr" or
+	     * "xterm2" in check_termcode(). */
+	    reset_option_was_set((char_u *)"ttym");
+	}
 	if (p == NULL
 #   ifdef FEAT_GUI
 		|| gui.in_use

src/version.c

@@ -725,6 +725,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    745,
 /**/
     744,
 /**/