doc: Remove refs to xsmp, xterm_(clipboard|save)

Nvim has no direct integration with X.

Helped-by: Florian Walch <florian@fwalch.com>

6 files changed, 3 insertions, 24 deletions

diff --git a/runtime/doc/change.txt b/runtime/doc/change.txt
index a0ef627888..4dd515f3e0 100644
--- a/runtime/doc/change.txt
+++ b/runtime/doc/change.txt
@@ -1158,8 +1158,8 @@ register.
 7. Selection and drop registers "*, "+ and "~ 
 Use these registers for storing and retrieving the selected text for the GUI.
 See |quotestar| and |quoteplus|.  When the clipboard is not available or not
-working, the unnamed register is used instead.  For Unix systems the clipboard
-is only available when the |+xterm_clipboard| feature is present.
+working, the unnamed register is used instead.  For Unix systems and Mac OS X,
+see |nvim-clipboard|.
 
 						*quote_~* *quote~* *<Drop>*
 The read-only "~ register stores the dropped text from the last drag'n'drop
diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index f5e4bd8d9d..6a0fef6d55 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -6834,11 +6834,6 @@ xim			Compiled with X input method support |xim|.
 xpm			Compiled with pixmap support.
 xpm_w32			Compiled with pixmap support for Win32. (Only for
 			backward compatibility. Use "xpm" instead.)
-xsmp			Compiled with X session management support.
-xsmp_interact		Compiled with interactive X session management support.
-xterm_clipboard		Compiled with support for xterm clipboard.
-xterm_save		Compiled with support for saving and restoring the
-			xterm screen.
 x11			Compiled with X11 support.
 
 							*string-match*
diff --git a/runtime/doc/pi_netrw.txt b/runtime/doc/pi_netrw.txt
index f7a7aa1ad5..80815a70ec 100644
--- a/runtime/doc/pi_netrw.txt
+++ b/runtime/doc/pi_netrw.txt
@@ -2060,7 +2060,7 @@ MARKED FILES: DIFF						*netrw-md* {{{2
 	    (See |netrw-mf| and |netrw-mr| for how to mark files)
 		      (uses the global marked file list)
 
-Use vimdiff to visualize difference between selected files (two or
+Use |diff-mode| to visualize difference between selected files (two or
 three may be selected for this).  Uses the global marked file list.
 
 MARKED FILES: EDITING						*netrw-me* {{{2
diff --git a/runtime/doc/tips.txt b/runtime/doc/tips.txt
index e1d02da292..9ed8f1f544 100644
--- a/runtime/doc/tips.txt
+++ b/runtime/doc/tips.txt
@@ -160,13 +160,6 @@ entries similar to: >
 PS: If you find any difference, someone (your sysadmin?) should better check
     the complete termcap and terminfo database for consistency.
 
-NOTE 1: If you recompile Vim with FEAT_XTERM_SAVE defined in feature.h, the
-builtin xterm will include the mentioned "te" and "ti" entries.
-
-NOTE 2: If you want to disable the screen switching, and you don't want to
-change your termcap, you can add these lines to your .vimrc: >
-	:set t_ti= t_te=
-
 ==============================================================================
 Scrolling in Insert mode				*scroll-insert*
 
diff --git a/runtime/doc/todo.txt b/runtime/doc/todo.txt
index db9d652499..75585e878b 100644
--- a/runtime/doc/todo.txt
+++ b/runtime/doc/todo.txt
@@ -2282,11 +2282,6 @@ Macintosh:
     Or ask for permission to overwrite it (if file can be made writable) and
     restore file to readonly afterwards.
     Overwriting a file for which a swap file exists is similar issue.
-7   When compiled with "xterm_clipboard", startup can be slower and might get
-    error message for invalid $DISPLAY.  Try connecting to the X server in the
-    background (forked), so that Vim starts up quicker?  Connect as soon as
-    the clipboard is to be used (Visual select mode starts, paste from
-    clipboard)
 7   X11: Some people prefer to use CLIPBOARD instead of PRIMARY for the normal
     selection.  Add an "xclipboard" argument to the 'clipboard' option? (Mark
     Waggoner)
diff --git a/runtime/doc/various.txt b/runtime/doc/various.txt
index fa57a91da4..7d8853f4cd 100644
--- a/runtime/doc/various.txt
+++ b/runtime/doc/various.txt
@@ -409,10 +409,6 @@ m  *+xim*		X input method |xim|
    *+xfontset*		X fontset support |xfontset|
    *+xpm*		pixmap support
 m  *+xpm_w32*		Win32 GUI only: pixmap support |w32-xpm-support|
-   *+xsmp*		XSMP (X session management) support
-   *+xsmp_interact*	interactive XSMP (X session management) support
-N  *+xterm_clipboard*	Unix only: xterm clipboard handling
-m  *+xterm_save*	save and restore xterm screen |xterm-screens|
 
 							*/dyn* *E370* *E448*
 			To some of the features "/dyn" is added when the