2019-02-22 19:43:00

1 files changed, 29 insertions, 0 deletions

diff --git a/tex/context/base/mkiv/strc-usr.lua b/tex/context/base/mkiv/strc-usr.lua
new file mode 100644
index 000000000..f121fe296
--- /dev/null
+++ b/tex/context/base/mkiv/strc-usr.lua
@@ -0,0 +1,29 @@
+if not modules then modules = { } end modules ['strc-usr'] = {
+    version   = 1.000,
+    comment   = "companion to strc-usr.mkiv",
+    author    = "Wolfgang Schuster",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+-- The following is copied from \type {tabl-xtb.lua} to make the userdata environment
+-- work with \LUA\ documents.
+
+local context         = context
+local ctxcore         = context.core
+
+local startuserdata   = ctxcore.startuserdata
+local stopuserdata    = ctxcore.stopuserdata
+
+local startcollecting = context.startcollecting
+local stopcollecting  = context.stopcollecting
+
+function ctxcore.startuserdata(...)
+    startcollecting()
+    startuserdata(...)
+end
+
+function ctxcore.stopuserdata()
+    stopuserdata()
+    stopcollecting()
+end