Update runtime files.
diff --git a/runtime/syntax/sisu.vim b/runtime/syntax/sisu.vim
index f29bc26..c7cdf2d 100644
--- a/runtime/syntax/sisu.vim
+++ b/runtime/syntax/sisu.vim
@@ -1,6 +1,6 @@
"SiSU Vim syntax file
"SiSU Maintainer: Ralph Amissah <ralph@amissah.com>
-"SiSU Markup: SiSU (sisu-0.66.0, 2008-02-24)
+"SiSU Markup: SiSU (sisu-0.69.0, 2008-09-16)
"(originally looked at Ruby Vim by Mirko Nasato)
if version < 600
@@ -81,6 +81,7 @@
syn region sisu_comment matchgroup=sisu_comment start="^%\{1,2\} " end="$"
"font face curly brackets
"syn region sisu_identifier contains=sisu_strikeout,sisu_number,sisu_control,sisu_identifier,sisu_error matchgroup=sisu_sem start="\S\+:{" end="}:[^<>,.!?:; ]\+" oneline
+syn region sisu_index matchgroup=sisu_index_block start="^={" end="}"
syn region sisu_control contains=sisu_strikeout,sisu_number,sisu_control,sisu_identifier,sisu_error matchgroup=sisu_fontface start="\*{" end="}\*"
syn region sisu_control contains=sisu_strikeout,sisu_number,sisu_control,sisu_identifier,sisu_error matchgroup=sisu_fontface start="!{" end="}!"
syn region sisu_underline contains=sisu_strikeout,sisu_number,sisu_control,sisu_identifier,sisu_error matchgroup=sisu_fontface start="_{" end="}_"
@@ -162,7 +163,6 @@
hi def link sisu_fontface Include
hi def link sisu_strikeout DiffDelete
hi def link sisu_content_alt Special
-hi def link sisu_sem_content String
hi def link sisu_sem_content SpecialKey
hi def link sisu_sem_block Special
hi def link sisu_sem_marker Visual
@@ -173,6 +173,8 @@
hi def link sisu_sem_ex_content Comment
"hi def link sisu_sem_ex_content SpecialKey
hi def link sisu_sem_ex_block Comment
+hi def link sisu_index SpecialKey
+hi def link sisu_index_block Visual
hi def link sisu_content_endnote Special
hi def link sisu_control Define
hi def link sisu_ocn Include