tweaks: add two hints for translators, to try and help avoid mistakes

src/nano.c

@@ -763,7 +763,9 @@ void usage(void)
 #endif
 #ifdef ENABLE_JUSTIFY
 	print_opt(_("-Q <regex>"), _("--quotestr=<regex>"),
-					 N_("Regular expression to match quoting"));
+					/* TRANSLATORS: This refers to email quoting,
+					 * like the > in: > quoted text. */
+					N_("Regular expression to match quoting"));
 #endif
 	if (!ISSET(RESTRICTED))
 		print_opt("-R", "--restricted", N_("Restricted mode"));

src/text.c

@@ -3182,6 +3182,7 @@ void complete_a_word(void)
 
 	/* If there is no word fragment before the cursor, do nothing. */
 	if (start_of_shard == openfile->current_x) {
+		/* TRANSLATORS: Shown when no text is directly left of the cursor. */
 		statusbar(_("No word fragment"));
 		pletion_line = NULL;
 		return;