--- ./texk/web2c/eptexdir/pdfutils.ch.orig	2021-06-25 10:41:05.076465982 +0000
+++ ./texk/web2c/eptexdir/pdfutils.ch	2021-06-25 10:41:26.523183653 +0000
@@ -932,7 +932,7 @@
 @!save_scanner_status:small_number; {|scanner_status| upon entry}
 @!save_def_ref: pointer; {|def_ref| upon entry, important if inside `\.{\\message}'}
 @!save_warning_index: pointer;
-@!bool: boolean; {temp boolean}
+@!mybool: boolean; {temp boolean}
 @!u: str_number; {saved current string string}
 @!s: str_number; {first temp string}
 @!i: integer;
@@ -1038,9 +1038,9 @@
     save_warning_index := warning_index;
     save_def_ref := def_ref;
     save_cur_string;
-    bool := scan_keyword("file");
+    mybool := scan_keyword("file");
     scan_pdf_ext_toks;
-    if bool then s := tokens_to_string(def_ref)
+    if mybool then s := tokens_to_string(def_ref)
     else begin
       isprint_utf8:=true; s := tokens_to_string(def_ref); isprint_utf8:=false;
     end;
@@ -1049,7 +1049,7 @@
     warning_index := save_warning_index;
     scanner_status := save_scanner_status;
     b := pool_ptr;
-    getmd5sum(s, bool);
+    getmd5sum(s, mybool);
     link(garbage) := str_toks(b);
     flush_str(s);
     ins_list(link(temp_head));