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-rw-r--r--scripts/context/lua/mtxrun.lua23
1 files changed, 23 insertions, 0 deletions
diff --git a/scripts/context/lua/mtxrun.lua b/scripts/context/lua/mtxrun.lua
index 91491c3d6..7061c54d5 100644
--- a/scripts/context/lua/mtxrun.lua
+++ b/scripts/context/lua/mtxrun.lua
@@ -1670,6 +1670,29 @@ function lpeg.append(list,pp,delayed)
return p
end
+-- function lpeg.exact_match(words,case_insensitive)
+-- local pattern = concat(words)
+-- if case_insensitive then
+-- local pattern = S(upper(characters)) + S(lower(characters))
+-- local list = { }
+-- for i=1,#words do
+-- list[lower(words[i])] = true
+-- end
+-- return Cmt(pattern^1, function(_,i,s)
+-- return list[lower(s)] and i
+-- end)
+-- else
+-- local pattern = S(concat(words))
+-- local list = { }
+-- for i=1,#words do
+-- list[words[i]] = true
+-- end
+-- return Cmt(pattern^1, function(_,i,s)
+-- return list[s] and i
+-- end)
+-- end
+-- end
+
end -- of closure