Show dirty buffer in status window

src/backup/todo.txt

@@ -2,6 +2,10 @@
 ! From a user (novice) point of view, how does it look like?
 
 
+Use session 3:
+- Maybe status view, commit changes (like to buffer name or line) on enter?
+- Search over buffer directory, close search, quick enter buffer? Not sure if line, more general purpose
+
 How to go about search/replace, opening code and other considerations
 - We can use sed + find to search and replace, the automatic reopen should do the job
 - Maybe also we can List all files recursively instead of opening them, how fast is that???

src/text_editor/commands.cpp

@@ -763,7 +763,6 @@ void Command_Rename() {
 String Coro_YesNoCancel(mco_coro *co, BSet main, String question) {
     JumpTempBuffer(&main);
     NextActiveWindowID = main.window->id;
-
     RawAppendf(main.buffer, R"==(
 %S
 

src/text_editor/window_status.cpp

@@ -78,7 +78,8 @@ void StatusWindowUpdate() {
     const char *reopen = main.buffer->changed_on_disk ? " :Reopen" : "";
     const char *case_sens = SearchCaseSensitive ? " C" : "";
     const char *word_bound = SearchWordBoundary ? " W" : "";
-    String s = Format(scratch, " %S:%lld:%lld%s%s", main.buffer->name, (long long)xy.line + 1ll, (long long)xy.col + 1ll, case_sens, word_bound, reopen);
+    const char *dirty = main.buffer->dirty ? " !" : "";
+    String s = Format(scratch, " %S:%lld:%lld%s%s%s", main.buffer->name, (long long)xy.line + 1ll, (long long)xy.col + 1ll, dirty, case_sens, word_bound, reopen);
     For (ActiveProcesses) {
         if (it.view_id == main.view->id.id) {
             s = Format(scratch, "%S %lld :KillProcess", s, (long long)it.id);