カラー表示でも画面が崩れないUTF-8対応のless.exe ref: http://qiita.com/msmhrt/items/77be4bf01154478abdb8

less-458.utf-8.patch

diff -Naur less-458.orig/Makefile.wnm less-458/Makefile.wnm
--- less-458.orig/Makefile.wnm  Fri Apr  5 01:55:07 2013
+++ less-458/Makefile.wnm   Thu Sep  5 21:27:07 2013
@@ -6,7 +6,7 @@
 CC = cl

 # Normal flags
-CFLAGS = /nologo /ML /W3 /GX /O2 /I "." /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /c
+CFLAGS = /nologo /W3 /EHsc /O2 /I "." /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D"_CRT_SECURE_NO_WARNINGS" /c
 LDFLAGS = /nologo /subsystem:console /incremental:no /machine:I386

 # Debugging flags
@@ -14,7 +14,7 @@
 #LDFLAGS = /nologo /subsystem:console /incremental:yes /debug /machine:I386

 LD = link
-LIBS = user32.lib
+LIBS = user32.lib /nodefaultlib:libc.lib

 #### End of system configuration section. ####

diff -Naur less-458.orig/screen.c less-458/screen.c
--- less-458.orig/screen.c  Fri Apr  5 01:55:05 2013
+++ less-458/screen.c   Thu Sep  5 21:27:07 2013
@@ -2490,7 +2490,29 @@
 {
 #if MSDOS_COMPILER==WIN32C
    DWORD written;
-   WriteConsole(con_out, text, len, &written, NULL);
+   extern int utf_mode;
+   if (utf_mode)
+   {
+       DWORD wlen = 0;
+       char *text_prev = text;
+       char *text_end = text + len;
+       wchar_t *wtext = (wchar_t*) malloc(len * sizeof(wchar_t));
+       while (text < text_end && *text)
+       {
+           wtext[wlen++] =  (wchar_t) step_char(&text, TRUE, text_end);
+           if (text == text_prev)
+               break;
+           else
+               text_prev = text;
+       }
+
+       if (wlen > 0)
+           WriteConsoleW(con_out, wtext, wlen, &written, NULL);
+       free(wtext);
+   } else
+   {
+       WriteConsole(con_out, text, len, &written, NULL);
+   }
 #else
    char c = text[len];
    text[len] = '\0';