patch 7.4.2048
Problem:    There is still code and help for unsupported systems.
Solution:   Remove the code and text. (Hirohito Higashi)
diff --git a/src/option.h b/src/option.h
index 8f75993..f05a466 100644
--- a/src/option.h
+++ b/src/option.h
@@ -21,20 +21,16 @@
 # if defined(WIN3264)
 #  define DFLT_EFM	"%f(%l) : %t%*\\D%n: %m,%*[^\"]\"%f\"%*\\D%l: %m,%f(%l) : %m,%*[^ ] %f %l: %m,%f:%l:%c:%m,%f(%l):%m,%f:%l:%m,%f|%l| %m"
 # else
-#  if defined(__EMX__)	/* put most common here (i.e. gcc format) at front */
-#   define DFLT_EFM	"%f:%l:%c:%m,%f(%l):%m,%f:%l:%m,%*[^\"]\"%f\"%*\\D%l: %m,\"%f\"%*\\D%l: %m,%f(%l:%c) : %m,%f|%l| %m"
+#  if defined(__QNX__)
+#   define DFLT_EFM	"%f(%l):%*[^WE]%t%*\\D%n:%m,%f|%l| %m"
 #  else
-#   if defined(__QNX__)
-#    define DFLT_EFM	"%f(%l):%*[^WE]%t%*\\D%n:%m,%f|%l| %m"
-#   else
-#    ifdef VMS
-#     define DFLT_EFM	"%A%p^,%C%%CC-%t-%m,%Cat line number %l in file %f,%f|%l| %m"
-#    else /* Unix, probably */
-#     ifdef EBCDIC
+#   ifdef VMS
+#    define DFLT_EFM	"%A%p^,%C%%CC-%t-%m,%Cat line number %l in file %f,%f|%l| %m"
+#   else /* Unix, probably */
+#    ifdef EBCDIC
 #define DFLT_EFM	"%*[^ ] %*[^ ] %f:%l%*[ ]%m,%*[^\"]\"%f\"%*\\D%l: %m,\"%f\"%*\\D%l: %m,%f:%l:%c:%m,%f(%l):%m,%f:%l:%m,\"%f\"\\, line %l%*\\D%c%*[^ ] %m,%D%*\\a[%*\\d]: Entering directory %*[`']%f',%X%*\\a[%*\\d]: Leaving directory %*[`']%f',%DMaking %*\\a in %f,%f|%l| %m"
 #     else
 #define DFLT_EFM	"%*[^\"]\"%f\"%*\\D%l: %m,\"%f\"%*\\D%l: %m,%-G%f:%l: (Each undeclared identifier is reported only once,%-G%f:%l: for each function it appears in.),%-GIn file included from %f:%l:%c:,%-GIn file included from %f:%l:%c\\,,%-GIn file included from %f:%l:%c,%-GIn file included from %f:%l,%-G%*[ ]from %f:%l:%c,%-G%*[ ]from %f:%l:,%-G%*[ ]from %f:%l\\,,%-G%*[ ]from %f:%l,%f:%l:%c:%m,%f(%l):%m,%f:%l:%m,\"%f\"\\, line %l%*\\D%c%*[^ ] %m,%D%*\\a[%*\\d]: Entering directory %*[`']%f',%X%*\\a[%*\\d]: Leaving directory %*[`']%f',%D%*\\a: Entering directory %*[`']%f',%X%*\\a: Leaving directory %*[`']%f',%DMaking %*\\a in %f,%f|%l| %m"
-#     endif
 #    endif
 #   endif
 #  endif