Index: firmware/bidi.c
===================================================================
--- firmware/bidi.c	(revision 25039)
+++ firmware/bidi.c	(working copy)
@@ -30,6 +30,7 @@
 #include "arabjoin.h"
 #include "scroll_engine.h"
 #include "bidi.h"
+#include "diacritic.h"
 
 /* #define _HEB_BUFFER_LENGTH (MAX_PATH + LCD_WIDTH/2 + 3 + 2 + 2) * 2 */
 #define _HEB_BLOCK_TYPE_ENG 1
@@ -61,30 +62,43 @@
 {
     bool connected = false;
     unsigned short * writeprt = stringprt;
-
+    short is_diac = 0;
+    unsigned short * diac_ptr = 0;
     const arab_t * prev = 0;
     const arab_t * cur;
     const arab_t * ligature = 0;
     short uchar;
 
-    int i;
+    int i,j;
     for (i = 0; i <= length; i++) {
         cur = arab_lookup(uchar = *stringprt++);
 
-        /* Skip non-arabic chars */
+        /* Skip non-arabic chars */ /* (actually this skips diacritics too as they are commented in arabjoin.c) */
         if (cur == 0) {
-            if (prev) {
+           if (is_diacritic(uchar, NULL)) {    /* skip diacritics without affecting the shaping algorithm (apply joining as if there is no diacritics) */
+              if(!is_diac)
+                diac_ptr = stringprt - 1;
+              is_diac++;
+           }
+           else if (prev)	/* non-arabic characters */
+           {
                 /* Finish the last char */
                 if (connected) {
                     *writeprt++ = prev->final;
                     connected = false;
-                } else
+                }
+                else
                     *writeprt++ = prev->isolated;
                 prev = 0;
+                if (is_diac) {    /* write the skipped diacritics */
+                   for (j = 0; j < is_diac; j++)
+                       *writeprt++ = *diac_ptr++;
+                   is_diac = 0;
+                }
                 *writeprt++ = uchar;
-            } else {
+            }
+            else
                 *writeprt++ = uchar;
-            }
             continue;
         }
 
@@ -129,6 +143,11 @@
                 } else
                     *writeprt++ = prev->isolated;
             }
+            if (is_diac) {    /* write the skipped diacritics */
+               for (j = 0; j < is_diac; j++)
+                   *writeprt++ = *diac_ptr++;
+               is_diac = 0;
+	    }
             prev = cur;
         }
     }