Another round of string clarification and adding TRANSLATORS comments.

grub-core/commands/configfile.c

@@ -72,13 +72,13 @@ GRUB_MOD_INIT(configfile)
   cmd_extractor_source =
     grub_register_command ("extract_entries_source", grub_cmd_source,
 			   N_("FILE"),
-			   N_("Load another config file without changing context but take only menuentries.")
+			   N_("Load another config file without changing context but take only menu entries.")
 			   );
 
   cmd_extractor_configfile =
     grub_register_command ("extract_entries_configfile", grub_cmd_source,
 			   N_("FILE"),
-			   N_("Load another config file without changing context but take only menuentries.")
+			   N_("Load another config file without changing context but take only menu entries.")
 			   );
 
   cmd_dot =

grub-core/commands/i386/pc/drivemap.c

@@ -36,6 +36,10 @@ static grub_uint32_t *const int13slot = (grub_uint32_t *) (4 * 0x13);
 
 /* Remember to update enum opt_idxs accordingly.  */
 static const struct grub_arg_option options[] = {
+  /* TRANSLATORS: In this file "mapping" refers to a change GRUB makes so if
+     your language doesn't have an equivalent of "mapping" you can
+     use the word like "rerouting".
+   */
   {"list", 'l', 0, N_("Show the current mappings."), 0, 0},
   {"reset", 'r', 0, N_("Reset all mappings to the default values."), 0, 0},
   {"swap", 's', 0, N_("Perform both direct and reverse mappings."), 0, 0},

grub-core/commands/i386/pc/play.c

@@ -183,6 +183,8 @@ grub_cmd_play (grub_command_t cmd __attribute__ ((unused)),
 
   if (argc < 1)
     return grub_error (GRUB_ERR_BAD_ARGUMENT, 
+		       /* TRANSLATORS: it's musical notes, not the notes
+			  you take.  */
 		       N_("filename or tempo and notes expected"));
 
   if (argc == 1)

grub-core/commands/keystatus.c

@@ -100,6 +100,7 @@ GRUB_MOD_INIT(keystatus)
 {
   cmd = grub_register_extcmd ("keystatus", grub_cmd_keystatus, 0,
 			      "[--shift] [--ctrl] [--alt]",
+			      /* TRANSLATORS: there are 3 modifiers.  */
 			      N_("Check key modifier status."),
 			      options);
 }

grub-core/commands/legacycfg.c

@@ -808,7 +808,7 @@ GRUB_MOD_INIT(legacycfg)
   cmd_check_password = grub_register_command ("legacy_check_password",
 					      grub_cmd_legacy_check_password,
 					      N_("[--md5] PASSWD [FILE]"),
-					      N_("Simulate grub-legacy `password' command in menuentry mode"));
+					      N_("Simulate grub-legacy `password' command in menu entry mode"));
 
 }
 

grub-core/commands/lsacpi.c

@@ -197,8 +197,8 @@ disp_acpi_rsdpv2 (struct grub_acpi_rsdp_v20 *rsdp)
 }
 
 static const struct grub_arg_option options[] = {
-  {"v1", '1', 0, N_("Show v1 tables only."), 0, ARG_TYPE_NONE},
-  {"v2", '2', 0, N_("Show v2 and v3 tables only."), 0, ARG_TYPE_NONE}
+  {"v1", '1', 0, N_("Show version 1 tables only."), 0, ARG_TYPE_NONE},
+  {"v2", '2', 0, N_("Show version 2 and version 3 tables only."), 0, ARG_TYPE_NONE}
 };
 
 static grub_err_t

grub-core/commands/menuentry.c

@@ -292,7 +292,7 @@ grub_menu_init (void)
   cmd = grub_register_extcmd ("menuentry", grub_cmd_menuentry,
 			      GRUB_COMMAND_FLAG_BLOCKS
 			      | GRUB_COMMAND_FLAG_EXTRACTOR,
-			      N_("BLOCK"), N_("Define a menuentry."), options);
+			      N_("BLOCK"), N_("Define a menu entry."), options);
   cmd_sub = grub_register_extcmd ("submenu", grub_cmd_menuentry,
 				  GRUB_COMMAND_FLAG_BLOCKS
 				  | GRUB_COMMAND_FLAG_EXTRACTOR,

grub-core/commands/mips/loongson/lsspd.c

@@ -57,6 +57,9 @@ grub_cmd_lsspd (grub_command_t cmd __attribute__ ((unused)),
     {
       struct grub_smbus_spd spd;
       grub_memset (&spd, 0, sizeof (spd));
+      /* TRANSLATORS: it's shown in a report in a way
+	 like number 1: ... number 2: ...
+       */
       grub_printf_ (N_("RAM slot number %d\n"), i);
       err = grub_cs5536_read_spd (smbbase, i, &spd);
       if (err)

grub-core/commands/password_pbkdf2.c

@@ -139,6 +139,10 @@ grub_cmd_password (grub_command_t cmd __attribute__ ((unused)),
 	  grub_free (pass->salt);
 	  grub_free (pass);
 	  return grub_error (GRUB_ERR_BAD_ARGUMENT,
+			     /* TRANSLATORS: it means that the string which
+				was supposed to be a password hash doesn't
+				have a correct format, not to password
+				mismatch.  */
 			     N_("invalid PBKDF2 password"));
 	}
 

grub-core/commands/sleep.c

@@ -30,7 +30,7 @@ GRUB_MOD_LICENSE ("GPLv3+");
 static const struct grub_arg_option options[] =
   {
     {"verbose", 'v', 0, N_("Verbose countdown."), 0, 0},
-    {"interruptible", 'i', 0, N_("Interruptible with ESC."), 0, 0},
+    {"interruptible", 'i', 0, N_("Allow to interrupt with ESC."), 0, 0},
     {0, 0, 0, 0, 0, 0}
   };
 

grub-core/commands/videoinfo.c

@@ -79,7 +79,7 @@ hook (const struct grub_video_mode_info *info)
   if (info->mode_type & GRUB_VIDEO_MODE_TYPE_1BIT_BITMAP)
     grub_xputs (_("Monochrome "));
   if (info->mode_type & GRUB_VIDEO_MODE_TYPE_UNKNOWN)
-    grub_xputs (_("Unknown "));
+    grub_xputs (_("Unknown video mode "));
 
   grub_xputs ("\n");