diff options
Diffstat (limited to 'tex/context/base/node-ini.lua')
| -rw-r--r-- | tex/context/base/node-ini.lua | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/tex/context/base/node-ini.lua b/tex/context/base/node-ini.lua index e94e0c797..6c48ba21d 100644 --- a/tex/context/base/node-ini.lua +++ b/tex/context/base/node-ini.lua @@ -342,3 +342,17 @@ local reference = left * (1-left)^0 * left * space^0 * lpeg.C((1-space)^0) function nodes.reference(n) return lpegmatch(reference,tostring(n)) end + +-- + +if not node.next then + + function node.next(n) + return n and n.next + end + + function node.prev(n) + return n and n.prev + end + +end |