diff --git a/dictsource/ru_rules b/dictsource/ru_rules
index 3d97f99f..2842d65b 100755
--- a/dictsource/ru_rules
+++ b/dictsource/ru_rules
@@ -365,6 +365,7 @@
 
 .group р
           _) р (_       E*
+             р (ь       RI^
              р (Y       R;
              р (B       R;
              р          R
diff --git a/phsource/compile_report b/phsource/compile_report
index e33396a0..9c44c13e 100644
--- a/phsource/compile_report
+++ b/phsource/compile_report
@@ -576,7 +576,7 @@
   1  vwl_no/u#2     no
   1  vwl_no/y#      no
   1  vwl_no/y#y     no
-  2  vwl_ro/ii-     ru ro
+  1  vwl_ro/ii-     ro
   1  vwl_ro/li      ro
   2  vwl_ro/mi      ru ro
   1  vwl_ro/ni      ro
@@ -590,6 +590,7 @@
   1  vwl_ru/i       ru
   1  vwl_ru/i#      ru
   3  vwl_ru/ii      ru
+  1  vwl_ru/ii-     ru
   1  vwl_ru/ii#     ru
   1  vwl_ru/ja      ru
   1  vwl_ru/ju      ru
diff --git a/phsource/ph_russian b/phsource/ph_russian
index 94546d37..fb133eb1 100755
--- a/phsource/ph_russian
+++ b/phsource/ph_russian
@@ -121,7 +121,7 @@ phoneme I^          // "silent i", palatilizes the preceding consonant
   vowel starttype (i) endtype (i)
   length 70
   unstressed nonsyllabic
-  formants vwl_ro/ii-
+  formants vwl_ru/ii-
   beforevowel ;
   after  m;  vwl_ro/mi
 endphoneme
diff --git a/src/synthdata.cpp b/src/synthdata.cpp
index 4b85ecf9..a445ff9e 100755
--- a/src/synthdata.cpp
+++ b/src/synthdata.cpp
@@ -35,7 +35,7 @@
 #include "translate.h"
 #include "wave.h"
 
-const char *version_string = "1.28  16.Jul.07";
+const char *version_string = "1.28.01  17.Jul.07";
 const int version_phdata  = 0x012801;
 
 int option_device_number = -1;
diff --git a/src/wave.cpp b/src/wave.cpp
index c6e6468f..f1de836e 100755
--- a/src/wave.cpp
+++ b/src/wave.cpp
@@ -1027,10 +1027,11 @@ int wave_is_busy(void* theHandler) {return 0;}
 void wave_terminate() {}
 uint32_t wave_get_read_position(void* theHandler) {return 0;}
 uint32_t wave_get_write_position(void* theHandler) {return 0;}
-uint32_t wave_get_remaining_time(uint32_t sample) {return 0;}
+int wave_get_remaining_time(uint32_t sample, uint32_t* time) {return 0;}
+void wave_flush(void* theHandler) {}
 typedef int (t_wave_callback)(void);
 void wave_set_callback_is_output_enabled(t_wave_callback* cb) {}
-extern uint32_t wave_test_get_write_buffer() {return 0;}
+extern void* wave_test_get_write_buffer() {return 0;}
 
 #endif  // of USE_PORTAUDIO