diff --git a/lib/ulib/ldif b/lib/ulib/ldif
index 1d5c794..f3cb5a9 100644
--- a/lib/ulib/ldif
+++ b/lib/ulib/ldif
@@ -13,7 +13,7 @@ function def_match_attr() {
     return attr \":\"
 }
 function norm_attr(attr) {
-    return tolower(attr)
+  return tolower(attr)
 }
 function match_attr(attr) {
 attr = tolower(attr)
@@ -88,7 +88,7 @@ BEGIN {
 }
 
 END {
-    if (inline) print line
+  if (inline) print line
 }
 '
 }
@@ -170,23 +170,23 @@ END { dump_ldif() }
 function tl_addattr() {
     awk '
 /^dn:/ {
-    lastattr = ""
-    dn = $0
-    next
+  lastattr = ""
+  dn = $0
+  next
 }
 
 {
-    attr = $1
-    if (attr != "") {
-        if (dn != "") {
-            print dn
-            print "changetype: add"
-            dn = ""
-        }
-        sub(/:+$/, "", attr)
+  attr = $1
+  if (attr != "") {
+    if (dn != "") {
+      print dn
+      print "changetype: add"
+      dn = ""
     }
-    print
-    lastattr = attr
+    sub(/:+$/, "", attr)
+  }
+  print
+  lastattr = attr
 }
 '
 }
@@ -195,33 +195,33 @@ function tl_modifyattr() {
     local modtype="$1"
     awkrun modtype="$modtype" '
 /^dn:/ {
-    lastattr = ""
-    dn = $0
-    next
+  lastattr = ""
+  dn = $0
+  next
 }
 
 {
-    attr = $1
-    if (attr == "") {
-        if (lastattr != "") {
-            print "-"
-        }
-    } else {
-        if (dn != "") {
-            print dn
-            print "changetype: modify"
-            dn = ""
-        }
-        sub(/:+$/, "", attr)
-        if (lastattr != attr) {
-            if (lastattr != "") {
-                print "-"
-            }
-            print modtype ": " attr
-        }
+  attr = $1
+  if (attr == "") {
+    if (lastattr != "") {
+      print "-"
     }
-    print
-    lastattr = attr
+  } else {
+    if (dn != "") {
+      print dn
+      print "changetype: modify"
+      dn = ""
+    }
+    sub(/:+$/, "", attr)
+    if (lastattr != attr) {
+      if (lastattr != "") {
+        print "-"
+      }
+      print modtype ": " attr
+    }
+  }
+  print
+  lastattr = attr
 }
 '
 }
@@ -229,33 +229,33 @@ function tl_modifyattr() {
 function tl_deleteattr() {
     awk '
 /^dn:/ {
-    lastattr = ""
-    dn = $0
-    next
+  lastattr = ""
+  dn = $0
+  next
 }
 
 {
-    attr = $1
-    if (attr == "") {
-        if (lastattr != "") {
-            print "-"
-            print
-        }
-    } else {
-        if (dn != "") {
-            print dn
-            print "changetype: modify"
-            dn = ""
-        }
-        sub(/:+$/, "", attr)
-        if (lastattr != attr) {
-            if (lastattr != "") {
-                print "-"
-            }
-            print "delete: " attr
-        }
+  attr = $1
+  if (attr == "") {
+    if (lastattr != "") {
+      print "-"
+      print
     }
-    lastattr = attr
+  } else {
+    if (dn != "") {
+      print dn
+      print "changetype: modify"
+      dn = ""
+    }
+    sub(/:+$/, "", attr)
+    if (lastattr != attr) {
+      if (lastattr != "") {
+        print "-"
+      }
+      print "delete: " attr
+    }
+  }
+  lastattr = attr
 }
 '
 }
@@ -263,11 +263,11 @@ function tl_deleteattr() {
 function tl_deleteentry() {
     awk '
 /^dn:/ {
-    dn = $0
-    print dn
-    print "changetype: delete"
-    print ""
-    next
+  dn = $0
+  print dn
+  print "changetype: delete"
+  print ""
+  next
 }
 '
 }
@@ -275,11 +275,11 @@ function tl_deleteentry() {
 function tl_touchentry() {
     awk '
 /^dn:/ {
-    dn = $0
-    print dn
-    print "changetype: modify"
-    print ""
-    next
+  dn = $0
+  print dn
+  print "changetype: modify"
+  print ""
+  next
 }
 '
 }
@@ -288,7 +288,7 @@ function tl_keepattr() {
     local match_attr="$1"
     awk "$match_attr"'
 $0 == "" || match_attr($1) {
-    print
+  print
 }
 '
 }
@@ -447,11 +447,11 @@ add && match_attr($1) {
   print_values()
 }
 add && $0 == "" {
-    print_values()
+  print_values()
 }
 { print }
 END {
-    if (add) print_values()
+  if (add) print_values()
 }
 '
     awk "$script"
@@ -496,7 +496,7 @@ add && $0 == "" {
 }
 { print }
 END {
-    if (add && !found) print_values()
+  if (add && !found) print_values()
 }
 '
     awk "$script"
@@ -584,28 +584,28 @@ function tl_decode() {
     local match_attr="$1"
     awkrun -f "$match_attr"'
 function split_base64(text,   result) {
-    result = ""
-    while (text != "") {
-        if (result != "") result = result "\n"
-        result = result substr(text, 1, 64)
-        text = substr(text, 65)
-    }
-    return result
+  result = ""
+  while (text != "") {
+    if (result != "") result = result "\n"
+    result = result substr(text, 1, 64)
+    text = substr(text, 65)
+  }
+  return result
 }
 
 /^[^:]+:: / && match_attr($1) {
-    name = $0; sub(/::.*$/, "", name)
-    value = $0; sub(/^[^:]+:: /, "", value)
+  name = $0; sub(/::.*$/, "", name)
+  value = $0; sub(/^[^:]+:: /, "", value)
 
-    decoded_value = b64decode(value)
-    #cmd = "echo '\''" split_base64(value) "'\'' | openssl base64 -d"
-    #decoded_value = ""
-    #while ((cmd | getline line) > 0) {
-    #    decoded_value = decoded_value line
-    #}
-    #close(cmd)
-    print name ": " decoded_value
-    next
+  decoded_value = b64decode(value)
+  #cmd = "echo '\''" split_base64(value) "'\'' | openssl base64 -d"
+  #decoded_value = ""
+  #while ((cmd | getline line) > 0) {
+  #    decoded_value = decoded_value line
+  #}
+  #close(cmd)
+  print name ": " decoded_value
+  next
 }
 { print }
 '
@@ -615,23 +615,23 @@ function tl_encode() {
     local match_attr="$1"
     awkrun "$match_attr"'
 function quote(text) {
-    # remplacer les quotes par le caractere echappement approprie
-    gsub('"/'/, \"'\\\\''\""', text)
-    return text
+  # remplacer les quotes par le caractere echappement approprie
+  gsub('"/'/, \"'\\\\''\""', text)
+  return text
 }
 
 /^[^:]+: / && match_attr($1) {
-    name = $0; sub(/:.*$/, "", name)
-    value = $0; sub(/^[^:]+: /, "", value)
+  name = $0; sub(/:.*$/, "", name)
+  value = $0; sub(/^[^:]+: /, "", value)
 
-    cmd = "echo '\''" quote(value) "'\'' | openssl base64"
-    coded_value = ""
-    while ((cmd | getline line) > 0) {
-        coded_value = coded_value line
-    }
-    close(cmd)
-    print name ":: " coded_value
-    next
+  cmd = "echo '\''" quote(value) "'\'' | openssl base64"
+  coded_value = ""
+  while ((cmd | getline line) > 0) {
+    coded_value = coded_value line
+  }
+  close(cmd)
+  print name ":: " coded_value
+  next
 }
 { print }
 '