Fix typos or wording in comments and documentation

docs/hacking/compiling.rst

@@ -361,7 +361,7 @@ When debugging crashes it can be very useful to get more information about *what
     ./configure [options]
     SANITIZE_FLAGS="-fsanitize=undefined -fsanitize=address" make
 
-Note that compiling with this tools will require installing additional dependencies: libubsan libasan (names of the packages might be different in your distribution).
+Note that compiling with these tools will require installing additional dependencies: libubsan libasan (names of the packages might be different in your distribution).
 
 There is probably a way to get these tools to work on Windows. If you know how, please add the information to this file.
 

lib/gamedata/monster_spell.txt

@@ -4,7 +4,7 @@
 # name - sets the spell name; must match the first argument (other than NONE or
 #        MAX) to one of the RSF() macros in list-mon-spells.h
 # msgt - sets the message type to use for message-vis, message-invis, and
-#        message-miss messages of the current spell; the type must be either
+#        message-miss messages of the current spell; the type must either
 #        match (case-insensitive) the first argument to one of the MSG()
 #        macros in list-message.h or be an unsigned integer less than MSG_MAX
 #        which is the index of the message type to use within list-message.h;

lib/gamedata/projection.txt

@@ -77,7 +77,7 @@
 
 # 'msgt' is the message type code used by the message system.  The type must
 # either match (case-insensitve) the first argument to one of the MSG() macros
-# in list-message.h or ben an unsigned integer less than MSG_MAX which is the
+# in list-message.h or be an unsigned integer less than MSG_MAX which is the
 # index of the message type to use within list-message.h.  For the textui
 # user interface, the message type affects the message color (configured
 # globally by lib/customize/message.prf; also configurable by preferences

src/init.c

@@ -4659,7 +4659,7 @@ static struct init_module *modules[] = {
  * The only input/output in this file should be via event_signal_string().
  * We cannot rely on any particular UI as this part should be UI-agnostic.
  * We also cannot rely on anything else having being initialised into any
- * particlar state.  Which is why you'd be calling this function in the
+ * particular state.  Which is why you'd be calling this function in the
  * first place.
  *
  * Old comment, not sure if still accurate:

src/tests/parse/a-info.c

@@ -54,7 +54,7 @@ int setup_tests(void **state) {
 	k_info = mem_zalloc(z_info->k_max * sizeof(*k_info));
 	kb_info = mem_zalloc(TV_MAX * sizeof(*kb_info));
 	kb_info[TV_LIGHT].tval = TV_LIGHT;
-	/* Do minimal setup to for testing slay, brand, and curse directives. */
+	/* Do minimal setup for testing slay, brand, and curse directives. */
 	z_info->slay_max = (uint8_t) N_ELEMENTS(dummy_slays);
 	slays = dummy_slays;
 	z_info->brand_max = (uint8_t) N_ELEMENTS(dummy_brands);

src/tests/parse/e-info.c

@@ -267,8 +267,7 @@ static int test_type0(void *state) {
 		}
 	}
 	/*
-	 * Now check the the list of all kinds to see if all swords were
-	 * included.
+	 * Now check the list of all kinds to see if all swords were included.
 	 */
 	for (i = 0; i < z_info->k_max; ++i) {
 		if (k_info[i].tval == TV_SWORD && !marked[i]) {
@@ -511,7 +510,7 @@ static int test_values_bad0(void *state) {
 	eq(r, PARSE_ERROR_INVALID_VALUE);
 	r = parser_parse(p, "values:RES_POIS1]");
 	eq(r, PARSE_ERROR_INVALID_VALUE);
-	/* CHeck handling of a missing closing bracket. */
+	/* Check handling of a missing closing bracket. */
 	r = parser_parse(p, "values:STEALTH[1");
 	eq(r, PARSE_ERROR_INVALID_VALUE);
 	r = parser_parse(p, "values:RES_POIS[1");

src/tests/parse/flavor.c

@@ -96,7 +96,7 @@ static int test_kind_bad0(void *state) {
 const char *suite_name = "parse/flavor";
 /*
  * test_flavor0() and test_fixed0() have to be after test_kind0().  Run
- * test_kind_bad0() to avoid potential effects on the other tests.
+ * test_kind_bad0() last to avoid potential effects on the other tests.
  */
 struct test tests[] = {
 	{ "kind0", test_kind0 },

src/tests/parse/k-info.c

@@ -533,7 +533,7 @@ static int test_missing_dice0(void *state) {
 
 	eq(r, PARSE_ERROR_NONE);
 	/*
-	 * Specifying and expression without preceding dice should do nothing
+	 * Specifying an expression without preceding dice should do nothing
 	 * and not flag an error.
 	 */
 	r = parser_parse(p, "expr:B:PLAYER_LEVEL:/ 6 + 1");

src/tests/parse/mspell.c

@@ -132,7 +132,7 @@ static int test_hit0(void *state) {
 }
 
 /*
- * Check the placing "effect-yx:", "dice:", and "expr:' directives before
+ * Check that placing "effect-yx:", "dice:", and "expr:' directives before
  * any "effect:" directives for a spell works as expected:  do nothing and
  * return PARSE_ERROR_NONE.
  */

src/tests/parse/objprop.c

@@ -11,7 +11,7 @@
 
 int setup_tests(void **state) {
 	*state = object_property_parser.init();
-	/* Need by object_property_parser.finish. */
+	/* Needed by object_property_parser.finish. */
 	z_info = mem_zalloc(sizeof(*z_info));
 	return !*state;
 }

src/tests/parse/partrap.c

@@ -222,7 +222,7 @@ static int test_missing_effect0(void *state) {
 	notnull(t);
 	null(t->effect);
 	/*
-	 * Specifying effect details without and effect should not signal an
+	 * Specifying effect details without an effect should not signal an
 	 * error and leave the trap unmodified.
 	 */
 	r = parser_parse(p, "effect-yx:11:23");
@@ -854,13 +854,8 @@ const char *suite_name = "parse/partrap";
  * test_effect_xtra0(), test_effect_xtra_bad0(), test_effect_yx_xtra0(),
  * test_dice_xtra0(), test_dice_xtra_bad0(), test_missing_dice_xtra0(),
  * test_expr_xtra0(), test_expr_xtra_bad0(), and test_complete0().
- * test_graphics0(), test_appear0(), test_visibility0(),
- * test_visibility_bad0(), test_flags0(), test_flags_bad0(), test_effect0(),
- * test_effect_bad0(), test_effect_yx0(), test_dice0(), test_dice_bad0(),
- * test_missing_dice0(), test_expr0(), test_expr_bad0(), test_effect_xtra0(),
- * test_effect_xtra_bad0(), test_effect_yx_xtra0(), test_dice_xtra0(),
- * test_dice_xtra_bad0(), test_expr_xtra0(), test_expr_xtra_bad0(),
- * test_save0(), and test_save_bad0() have to be after test_name0().
+ * Unless otherwise indicated, all other functions have to be after
+ * test_name0().
  */
 struct test tests[] = {
 	{ "missing_header_record0", test_missing_header_record0 },

src/win/readpng.c

@@ -351,8 +351,8 @@ bool ReadDIB2_PNG(HWND hWnd, LPSTR lpFileName, DIBINIT *pInfo, DIBINIT *pMask, b
 		free(row_pointers[y]);
 	}
 	free(row_pointers);
-	
-	/* release all the the PNG Structures */
+
+	/* release all the PNG Structures */
 	if (info_ptr) {
 		png_destroy_read_struct(&png_ptr, &info_ptr, (png_infopp)NULL);
 		info_ptr = NULL;

src/win/scrnshot.c

@@ -184,7 +184,7 @@ bool SaveWindow_PNG(HWND hWnd, LPSTR lpFileName)
 	free(row_pointers);
 
 	/* We are done with the file pointer, so
-	 * release all the the PNG Structures */
+	 * release all the PNG Structures */
 	if (info_ptr) {
 		png_destroy_write_struct(&png_ptr, &info_ptr);
 		info_ptr = NULL;