re-integrate runtime/ vim-patch:0 #938

Vim runtime files based on 7.4.384 / hg changeset 7090d7f160f7

Excluding:
  Amiga icons (*.info, icons/)
  doc/hangulin.txt
  tutor/
  spell/
  lang/ (only used for menu translations)
  macros/maze/, macros/hanoi/, macros/life/, macros/urm/
      These were used to test vi compatibility.
  termcap
      "Demonstration of a termcap file (for the Amiga and Archimedes)"

Helped-by: Rich Wareham <rjw57@cam.ac.uk>
Helped-by: John <john.schmidt.h@gmail.com>
Helped-by: Yann <yann@yann-salaun.com>
Helped-by: Christophe Badoit <c.badoit@lesiteimmo.com>
Helped-by: drasill <github@tof2k.com>
Helped-by: Tae Sandoval Murgan <taecilla@gmail.com>
Helped-by: Lowe Thiderman <lowe.thiderman@gmail.com>

runtime/syntax/ctrlh.vim

@@ -0,0 +1,23 @@
+" Vim syntax file
+" Language:	CTRL-H (e.g., ASCII manpages)
+" Maintainer:	Bram Moolenaar <Bram@vim.org>
+" Last Change:	2005 Jun 20
+
+" Existing syntax is kept, this file can be used as an addition
+
+" Recognize underlined text: _^Hx
+syntax match CtrlHUnderline /_\b./  contains=CtrlHHide
+
+" Recognize bold text: x^Hx
+syntax match CtrlHBold /\(.\)\b\1/  contains=CtrlHHide
+
+" Hide the CTRL-H (backspace)
+syntax match CtrlHHide /.\b/  contained
+
+" Define the default highlighting.
+" Only used when an item doesn't have highlighting yet
+hi def link CtrlHHide Ignore
+hi def CtrlHUnderline term=underline cterm=underline gui=underline
+hi def CtrlHBold term=bold cterm=bold gui=bold
+
+" vim: ts=8