docs: various clarifications (#24876)

src/nvim/eval.lua

@@ -11824,15 +11824,15 @@ M.funcs = {
       The result is a Number representing the type of {expr}.
       Instead of using the number directly, it is better to use the
       v:t_ variable that has the value:
-              Number:     0 (|v:t_number|)
-      	String:     1 (|v:t_string|)
-      	Funcref:    2 (|v:t_func|)
-      	List:       3 (|v:t_list|)
-      	Dictionary: 4 (|v:t_dict|)
-      	Float:      5 (|v:t_float|)
-      	Boolean:    6 (|v:true| and |v:false|)
-      	Null:       7 (|v:null|)
-      	Blob:      10 (|v:t_blob|)
+      	Number:	    0  |v:t_number|
+      	String:	    1  |v:t_string|
+      	Funcref:    2  |v:t_func|
+      	List:	    3  |v:t_list|
+      	Dictionary: 4  |v:t_dict|
+      	Float:	    5  |v:t_float|
+      	Boolean:    6  |v:t_bool| (|v:false| and |v:true|)
+      	Null:	    7  (|v:null|)
+      	Blob:	   10  |v:t_blob|
       For backward compatibility, this method can be used: >vim
       	if type(myvar) == type(0) | endif
       	if type(myvar) == type("") | endif

src/nvim/normal.c

@@ -1411,7 +1411,6 @@ static int normal_check(VimState *state)
   }
   quit_more = false;
 
-  // it's not safe unless normal_check_safe_state() is called
   state_no_longer_safe(NULL);
 
   // If skip redraw is set (for ":" in wait_return()), don't redraw now.

src/nvim/options.lua

@@ -5500,8 +5500,9 @@ return {
       defaults = { if_true = 'ver:3,hor:6' },
       desc = [=[
         This option controls the number of lines / columns to scroll by when
-        scrolling with a mouse. The option is a comma separated list of parts.
-        Each part consists of a direction and a count as follows:
+        scrolling with a mouse wheel (|scroll-mouse-wheel|). The option is
+        a comma-separated list. Each part consists of a direction and a count
+        as follows:
         	direction:count,direction:count
         Direction is one of either "hor" or "ver". "hor" controls horizontal
         scrolling and "ver" controls vertical scrolling. Count sets the amount

src/nvim/plines.c

@@ -726,7 +726,7 @@ void getvcols(win_T *wp, pos_T *pos1, pos_T *pos2, colnr_T *left, colnr_T *right
 /// Functions calculating vertical size of text when displayed inside a window.
 /// Calls horizontal size functions defined above.
 
-/// Check the there may be filler inlines anywhere in window "wp"
+/// Check if there may be filler inlines anywhere in window "wp".
 bool win_may_fill(win_T *wp)
 {
   return (wp->w_p_diff && diffopt_filler()) || wp->w_buffer->b_virt_line_blocks;