tweaks: add a translator hint, and adjust two others

src/global.c

@@ -988,6 +988,7 @@ void shortcut_init(void)
 	N_("Run Macro"), WITHORSANS(runmacro_gist), BLANKAFTER, VIEW);
 
     add_to_funcs(do_search_backward, MMAIN,
+	/* TRANSLATORS: This starts a backward search. */
 	N_("Where Was"), WITHORSANS(wherewas_gist), BLANKAFTER, VIEW);
 
     add_to_funcs(do_savefile, MMAIN,
@@ -1406,7 +1407,7 @@ const char *flagtostr(int flag)
 {
     switch (flag) {
 	case NO_HELP:
-	    /* TRANSLATORS: The next seventeen strings are toggle descriptions;
+	    /* TRANSLATORS: The next eighteen strings are toggle descriptions;
 	     * they are best kept shorter than 40 characters, but may be longer. */
 	    return N_("Help mode");
 	case CONSTANT_SHOW:
@@ -1444,7 +1445,7 @@ const char *flagtostr(int flag)
 	case LINE_NUMBERS:
 	    return N_("Line numbering");
 	default:
-	    return "?????";
+	    return "Bad toggle -- please report a bug";
     }
 }
 #endif /* !NANO_TINY */

src/prompt.c

@@ -673,7 +673,7 @@ int do_yesno_prompt(bool all, const char *msg)
     char *message = display_string(msg, 0, COLS, FALSE);
 
     /* TRANSLATORS: For the next three strings, if possible, specify
-     * the single-byte shortcuts for both your language and English.
+     * the single-byte letters for both your language and English.
      * For example, in French: "OoYy", for both "Oui" and "Yes". */
     const char *yesstr = _("Yy");
     const char *nostr = _("Nn");

src/text.c

@@ -736,7 +736,7 @@ void do_undo(void)
     openfile->current_x = u->begin;
     switch (u->type) {
     case ADD:
-	/* TRANSLATORS: Eight of the next nine strings describe actions
+	/* TRANSLATORS: The next twelve strings describe actions
 	 * that are undone or redone.  It are all nouns, not verbs. */
 	undidmsg = _("text add");
 	data = charalloc(strlen(f->data) - strlen(u->strdata) + 1);