diff --git a/sources/EXTERNALFORMAT b/sources/EXTERNALFORMAT
index 24c24aa0..e5066f65 100644
--- a/sources/EXTERNALFORMAT
+++ b/sources/EXTERNALFORMAT
@@ -1,13 +1,13 @@
 (DEFINE-FILE-INFO PACKAGE "INTERLISP" READTABLE "INTERLISP" BASE 10)
 
-(FILECREATED "17-Dec-2024 15:29:21" {WMEDLEY}<sources>EXTERNALFORMAT.;90 39713  
+(FILECREATED "17-Dec-2024 17:44:48" {WMEDLEY}<sources>EXTERNALFORMAT.;92 41401  
 
       :EDIT-BY rmk
 
-      :CHANGES-TO (FNS \CHECKEOLC.CRLF)
-                  (MACROS \CHECKEOLC)
+      :CHANGES-TO (MACROS \CHECKEOLC)
+                  (FNS \INCCODE.EOLC)
 
-      :PREVIOUS-DATE "19-Mar-2024 18:24:39" {WMEDLEY}<sources>EXTERNALFORMAT.;88)
+      :PREVIOUS-DATE "17-Dec-2024 17:00:58" {WMEDLEY}<sources>EXTERNALFORMAT.;91)
 
 
 (PRETTYCOMPRINT EXTERNALFORMATCOMS)
@@ -538,7 +538,7 @@
                        FSTRING])
 
 (\CHECKEOLC.CRLF
-  [LAMBDA (STREAM PEEKBINFLG COUNTP EOLC)                    (* ; "Edited 17-Dec-2024 15:28 by rmk")
+  [LAMBDA (STREAM PEEKBINFLG COUNTP EOLC)                    (* ; "Edited 17-Dec-2024 17:00 by rmk")
                                                              (* ; "Edited  6-Dec-2023 23:39 by rmk")
                                                              (* ; "Edited 17-Oct-2023 11:56 by rmk")
                                                             (* ; "Edited  6-Aug-2021 23:30 by rmk:")
@@ -566,7 +566,7 @@
                                         (PROG1 (\PEEKCCODE STREAM T 'NOEOLC)
 
                                             (* ;; 
-                            "This has to be a call to \PEEKCODE that doesn't itself to the checkeolc")
+                            "This has to be a call to \PEEKCODE that doesn't itself do the checkeolc")
 
                                             (* ;; 
             "LF must be the next char after the CR.  We back up over the CR that \INCCODE just read.")
@@ -575,9 +575,13 @@
 
                                 (* ;; "Got the CRLF, it's an EOL")
 
+                                (CL:WHEN (EQ ANY.EOLC (FFETCH (STREAM DETECTEDEOLCONVENTION)
+                                                         OF STREAM))
+                                    (FREPLACE (STREAM DETECTEDEOLCONVENTION) OF STREAM WITH CRLF.EOLC
+                                           ))
                                 (CHARCODE EOL))
                                (T (SELECTC EOLC
-                                      ((LIST ANY.EOLC) 
+                                      ((LIST ANY.EOLC 'ANY) 
                                            (CL:WHEN (EQ ANY.EOLC (FFETCH (STREAM 
                                                                                 DETECTEDEOLCONVENTION
                                                                                 ) OF STREAM))
@@ -601,6 +605,9 @@
                       (CHARCODE EOL))
                      (T (SELECTC EOLC
                             ((LIST ANY.EOLC 'ANY) 
+                                 (CL:WHEN (EQ ANY.EOLC (FFETCH (STREAM DETECTEDEOLCONVENTION)
+                                                          OF STREAM))
+                                     (FREPLACE (STREAM DETECTEDEOLCONVENTION) OF STREAM WITH CR.EOLC))
                                  (CHARCODE EOL))
                             (CHARCODE CR]
          CH])
@@ -611,11 +618,23 @@
 (PUTPROPS \CHECKEOLC MACRO (OPENLAMBDA (CH EOLC STRM PEEKBINFLG COUNTP)
                              (SELCHARQ CH
                                   (LF (SELECTC (OR EOLC (FFETCH (STREAM EOLCONVENTION) OF STRM))
-                                          ((LIST LF.EOLC ANY.EOLC 'LF 'ANY) 
+                                          ((LIST ANY.EOLC 'ANY) 
+                                               (CL:WHEN (EQ ANY.EOLC (FFETCH (STREAM 
+                                                                                DETECTEDEOLCONVENTION
+                                                                                    ) OF STREAM))
+                                                   (FREPLACE (STREAM DETECTEDEOLCONVENTION)
+                                                      OF STREAM WITH LF.EOLC))
+                                               (CHARCODE EOL))
+                                          ((LIST LF.EOLC 'LF) 
                                                (CHARCODE EOL))
                                           (CHARCODE LF)))
                                   (CR (SELECTC (OR EOLC (FFETCH (STREAM EOLCONVENTION) OF STRM))
                                           ((LIST CR.EOLC 'CR) 
+                                               (CL:WHEN (EQ ANY.EOLC (FFETCH (STREAM 
+                                                                                DETECTEDEOLCONVENTION
+                                                                                    ) OF STREAM))
+                                                   (FREPLACE (STREAM DETECTEDEOLCONVENTION)
+                                                      OF STREAM WITH CR.EOLC))
                                                (CHARCODE EOL))
                                           ((LIST ANY.EOLC CRLF.EOLC 'CRLF 'ANY) 
                                                (\CHECKEOLC.CRLF STRM PEEKBINFLG COUNTP EOLC))
@@ -746,13 +765,13 @@
 (\CREATE.THROUGH.EXTERNALFORMAT)
 )
 (DECLARE%: DONTCOPY
-  (FILEMAP (NIL (6744 13577 (\EXTERNALFORMAT 6754 . 10532) (MAKE-EXTERNALFORMAT 10534 . 13104) (
-\EXTERNALFORMAT.DEFPRINT 13106 . 13575)) (13578 16619 (\INSTALL.EXTERNALFORMAT 13588 . 15037) (
-\REMOVE.EXTERNALFORMAT 15039 . 15870) (FIND-FORMAT 15872 . 16617)) (16620 17032 (SYSTEM-EXTERNALFORMAT
- 16630 . 17030)) (17381 34132 (\OUTCHAR 17391 . 18608) (\INCCODE 18610 . 19763) (\BACKCCODE 19765 . 
-21444) (\BACKCCODE.EOLC 21446 . 23636) (\PEEKCCODE 23638 . 23963) (\PEEKCCODE.EOLC 23965 . 24344) (
-\INCCODE.EOLC 24346 . 26145) (\FORMATBYTESTREAM 26147 . 28591) (\FORMATBYTESTRING 28593 . 30293) (
-\CHECKEOLC.CRLF 30295 . 34130)) (35414 37650 (\NULLDEVICE 35424 . 37326) (\NULL.OPENFILE 37328 . 37648
-)) (37790 39617 (\CREATE.THROUGH.EXTERNALFORMAT 37800 . 38586) (\THROUGHIN 38588 . 39008) (
-\THROUGHBACKCCODE 39010 . 39277) (\THROUGHOUTCHARFN 39279 . 39615)))))
+  (FILEMAP (NIL (6742 13575 (\EXTERNALFORMAT 6752 . 10530) (MAKE-EXTERNALFORMAT 10532 . 13102) (
+\EXTERNALFORMAT.DEFPRINT 13104 . 13573)) (13576 16617 (\INSTALL.EXTERNALFORMAT 13586 . 15035) (
+\REMOVE.EXTERNALFORMAT 15037 . 15868) (FIND-FORMAT 15870 . 16615)) (16618 17030 (SYSTEM-EXTERNALFORMAT
+ 16628 . 17028)) (17379 34752 (\OUTCHAR 17389 . 18606) (\INCCODE 18608 . 19761) (\BACKCCODE 19763 . 
+21442) (\BACKCCODE.EOLC 21444 . 23634) (\PEEKCCODE 23636 . 23961) (\PEEKCCODE.EOLC 23963 . 24342) (
+\INCCODE.EOLC 24344 . 26143) (\FORMATBYTESTREAM 26145 . 28589) (\FORMATBYTESTRING 28591 . 30291) (
+\CHECKEOLC.CRLF 30293 . 34750)) (37102 39338 (\NULLDEVICE 37112 . 39014) (\NULL.OPENFILE 39016 . 39336
+)) (39478 41305 (\CREATE.THROUGH.EXTERNALFORMAT 39488 . 40274) (\THROUGHIN 40276 . 40696) (
+\THROUGHBACKCCODE 40698 . 40965) (\THROUGHOUTCHARFN 40967 . 41303)))))
 STOP
diff --git a/sources/EXTERNALFORMAT.LCOM b/sources/EXTERNALFORMAT.LCOM
index ab27f430..ee4a7d51 100644
Binary files a/sources/EXTERNALFORMAT.LCOM and b/sources/EXTERNALFORMAT.LCOM differ
