fixed off-by-one in remeasure widths

4coder_helper.h

@@ -801,7 +801,9 @@ view_open_file(Application_Links *app, View_Summary *view,
     Buffer_Summary buffer = app->get_buffer_by_name(app, filename, filename_len, AccessProtected|AccessHidden);
     if (buffer.exists){
         if (!do_in_background){
-            app->view_set_buffer(app, view, buffer.buffer_id, 0);
+            if (view){
+                app->view_set_buffer(app, view, buffer.buffer_id, 0);
+            }
         }
         result = true;
     }
@@ -809,8 +811,10 @@ view_open_file(Application_Links *app, View_Summary *view,
         buffer = app->create_buffer(app, filename, filename_len, do_in_background);
         if (!do_in_background){
             if (buffer.exists){
-                app->view_set_buffer(app, view, buffer.buffer_id, 0);
-                result = true;
+                if (view){
+                    app->view_set_buffer(app, view, buffer.buffer_id, 0);
+                    result = true;
+                }
             }
         }
     }

buffer/4coder_buffer_abstract.cpp

@@ -779,6 +779,7 @@ buffer_remeasure_widths(Buffer_Type *buffer, float *advance_data,
     assert_4tech(line_start <= line_end);
     assert_4tech(line_count <= buffer->widths_max);
     
+    ++line_end;
     if (line_shift != 0){
         memmove_4tech(widths + line_end + line_shift, widths + line_end,
                       sizeof(float)*(widths_count - line_end));

win32_4ed.cpp

@@ -530,7 +530,7 @@ Win32AllocCoroutine(){
     return(result);
 }
 
-nternal void
+internal void
 Win32FreeCoroutine(Win32_Coroutine *data){
     data->next = win32vars.coroutine_free;
     win32vars.coroutine_free = data;