1 files changed, 32 insertions, 0 deletions
diff --git a/tex/context/base/spac-hor.lua b/tex/context/base/spac-hor.lua
new file mode 100644
index 000000000..6cb6e3f49
--- /dev/null
+++ b/tex/context/base/spac-hor.lua
@@ -0,0 +1,32 @@
+if not modules then modules = { } end modules ['spac-hor'] = {
+    version   = 1.001,
+    comment   = "companion to spac-hor.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+local match = string.match
+local utfbyte = utf.byte
+local chardata = characters.data
+
+local can_have_space = table.tohash {
+    "lu", "ll", "lt", "lm", "lo", -- letters
+ -- "mn", "mc", "me",             -- marks
+    "nd", "nl", "no",             -- numbers
+    "ps", "pi",                   -- initial
+ -- "pe", "pf",                   -- final
+ -- "pc", "pd", "po",             -- punctuation
+    "sm", "sc", "sk", "so",       -- symbols
+ -- "zs", "zl", "zp",             -- separators
+ -- "cc", "cf", "cs", "co", "cn", -- others
+}
+
+function commands.autonextspace(str) -- todo: use nexttoken
+    local ch = match(str,"the letter (.)") or match(str,"the character (.)")
+    ch = ch and chardata[utfbyte(ch)]
+    if ch and can_have_space[ch.category] then
+     -- texsprint(ctxcatcodes,"\\space") -- faster
+        context.space()
+    end
+end