racket/draw win32: Pango patch

Closes PR 13513

src/download-libs.rkt

@@ -21,7 +21,7 @@
 
 
 (define url-host "download.racket-lang.org")
-(define url-path "/libs/11/")
+(define url-path "/libs/12/")
 (define url-base (string-append "http://" url-host url-path))
 (define architecture #f) ;; set in `do-download'
 

src/get-libs.rkt

@@ -100,7 +100,7 @@
          ["libgobject-2.0-0.dll" 316586]
          ["libgmodule-2.0-0.dll" 31692]
          ["libpangocairo-1.0-0.dll" 94625]
-         ["libpangowin32-1.0-0.dll" 102210]
+         ["libpangowin32-1.0-0.dll" 143647]
          ["libpangoft2-1.0-0.dll" 679322]]
        (if (getenv "PLT_WIN_GTK")
            '(["libatk-1.0-0.dll" 153763]
@@ -126,7 +126,7 @@
         ["libgmodule-2.0-0.dll" 119538]
         ["libgthread-2.0-0.dll" 126615]
         ["libpangocairo-1.0-0.dll" 185168]
-        ["libpangowin32-1.0-0.dll" 192656]
+        ["libpangowin32-1.0-0.dll" 151879]
         ["libpangoft2-1.0-0.dll" 1188615]]]
      ;; Database libraries
      '[db

src/worksp/README

@@ -128,12 +128,16 @@ _stat64i32' in place of `struct stat', `#undef _stat', and use
 `_stat()' in place of `stat()'.
 
 The pre-built binaries are unpatched with the exception of
-"libpangowin32", where we have disabled the SYMBOL_CHARSET test that
-makes Pango ignore symbol fonts. The test is in the
-pango_win32_insert_font() function, and the patch was made in the
-pre-built binary by modifying the machine code: change a comparison
-to 2, which is SYMBOL_CHARSET, to a comparsion to 3, which doesn't
-correspond to any CHARSET.
+"libpangowin32", where the following patches are used with version
+pango-1.28.3:
+
+ pango/pangowin32-fontmap.c:1198:
+    Comment out SYMBOL_CHARSET test
+ modules/basic/basic-win32.c:331:
+     /* Ignore the high surrogate */
+     if (!(wtext[i] >= 0xD800 && wtext[i] < 0xDBFF))
+ modules/basic/basic-win32.c:479:
+    if (ScriptItemize (wtext, wlen, G_N_ELEMENTS (items) - 1, &control, NULL,
 
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