1 files changed, 4 insertions, 43 deletions
diff --git a/tex/context/base/l-io.lua b/tex/context/base/l-io.lua
index 657b755b8..4f27dc1dc 100644
--- a/tex/context/base/l-io.lua
+++ b/tex/context/base/l-io.lua
@@ -17,14 +17,14 @@ else
     io.fileseparator, io.pathseparator = "/" , ":"
 end
 
-function io.loaddata(filename,textmode) -- return nil if empty
+function io.loaddata(filename,textmode)
     local f = io.open(filename,(textmode and 'r') or 'rb')
     if f then
         local data = f:read('*all')
         f:close()
-        if #data > 0 then
-            return data
-        end
+        return data
+    else
+        return nil
     end
 end
 
@@ -46,45 +46,6 @@ function io.savedata(filename,data,joiner)
     end
 end
 
-function io.loadlines(filename,n) -- return nil if empty
-    local f = io.open(filename,'r')
-    if f then
-        if n then
-            local lines = { }
-            for i=1,n do
-                local line = f:read("*lines")
-                if line then
-                    lines[#lines+1] = line
-                else
-                    break
-                end
-            end
-            f:close()
-            lines = concat(lines,"\n")
-            if #lines > 0 then
-                return lines
-            end
-        else
-            local line = f:read("*line") or ""
-            assert(f:close())
-            if #line > 0 then
-                return line
-            end
-        end
-    end
-end
-
-function io.loadchunk(filename,n)
-    local f = io.open(filename,'rb')
-    if f then
-        local data = f:read(n or 1024)
-        f:close()
-        if #data > 0 then
-            return data
-        end
-    end
-end
-
 function io.exists(filename)
     local f = io.open(filename)
     if f == nil then