Update indent command line.

Document getch(), not xgetch().

doc/DEVEL

@@ -26,7 +26,7 @@ o  I work with the tags feature of GNU emacs.  Run the make tags
 o  Try to keep the indenting style as it is currently.  Normally if you
    just created a new file with a different coding style, run the GNU
    indent program on it (remember to make a backup copy first) like
-   this: indent -kr -pcs filename.c
+   this: indent -kr -i4 -psl -pcs filename.c
 
 o  This code is distributed under the GNU General Public License and
    Keep this in mind when adding code to the program.
@@ -59,23 +59,22 @@ o  This code is distributed under the GNU General Public License and
 * Input handling
 
 The routines for input handling on the Midnight Commander are:
-xgetch, get_key_code, mi_getch and get_event.
+getch, get_key_code, mi_getch and get_event.
 
-xgetch is an interface to the low level system input mechanism.  It
+getch is an interface to the low level system input mechanism.  It
 does not deal with the mouse.  
 
-    In the case of curses, this is a macro that translates to getch, on
+    In the case of ncurses, this is a function implemented in the
-    BSD curses, it is an interface to x_getch.  This routine on curses
+    ncurses library that translates key sequences to key codes (\E[A to
-    translates key sequences to key codes (\E[A to something like
+    something like KEY_UP and so on).
-    KEY_UP or whatever).
 
-    In the case of slang there is no such conversion, that's why we
+    In the case of S-Lang there is no such conversion, that's why we
     load a set of extra definitions.
 
-The get_key_code routine converts the data from xgetch to the
+The get_key_code routine converts the data from getch to the
 constants the Midnight Commander uses.
 
-    In the case of slang, it will actually do all the jobs that getch
+    In the case of S-Lang, it will actually do all the jobs that getch
     does for curses.  In the case of curses it patches a couple of
     sequences that are not available on some terminal databases.  This
     routine is the one you want to use if you want a character without
@@ -90,7 +89,7 @@ convert it to useful constants.
 mi_getch is just a wrapper around get_event that ignores all the mouse
 events.  It's used only in a couple of places, this routine may return
 ERR if no input is available (if you have set the nodelay option of
-curses or slang with nodelay) or a character code if no such option is
+ncurses or S-Lang with nodelay) or a character code if no such option is
 available. 
 
 * Mouse support.
@@ -101,7 +100,7 @@ dlg.c:run_dlg routine.
 
 * ncurses
 
-We are dropping it in favor of slang, but we will still support it.  We
+Althougt S-Lang is now used by default, we still support it ncurses.  We
 basically are using a small subset of ncurses because we want to be
 compatible with Slang.