Fix typos in comments, code and documentation

While on it, newlines are removed from the end of two elog() strings.
The others are simple grammar mistakes.  One comment in pg_upgrade
referred incorrectly to sequences since a7e5457.

Author: Justin Pryzby
Discussion: https://postgr.es/m/20221230231257.GI1153@telsasoft.com
Backpatch-through: 11

6 files changed, 10 insertions, 10 deletions

diff --git a/src/backend/access/common/bufmask.c b/src/backend/access/common/bufmask.c
index e3ca644bd6f..5e392dab1e9 100644
--- a/src/backend/access/common/bufmask.c
+++ b/src/backend/access/common/bufmask.c
@@ -78,7 +78,7 @@ mask_unused_space(Page page)
 	if (pd_lower > pd_upper || pd_special < pd_upper ||
 		pd_lower < SizeOfPageHeaderData || pd_special > BLCKSZ)
 	{
-		elog(ERROR, "invalid page pd_lower %u pd_upper %u pd_special %u\n",
+		elog(ERROR, "invalid page pd_lower %u pd_upper %u pd_special %u",
 			 pd_lower, pd_upper, pd_special);
 	}
 
diff --git a/src/backend/access/spgist/spgutils.c b/src/backend/access/spgist/spgutils.c
index 9fd0531589b..3761f2c193b 100644
--- a/src/backend/access/spgist/spgutils.c
+++ b/src/backend/access/spgist/spgutils.c
@@ -1301,7 +1301,7 @@ spgproperty(Oid index_oid, int attno,
 	/*
 	 * Currently, SP-GiST distance-ordered scans require that there be a
 	 * distance operator in the opclass with the default types. So we assume
-	 * that if such a operator exists, then there's a reason for it.
+	 * that if such an operator exists, then there's a reason for it.
 	 */
 
 	/* First we need to know the column's opclass. */
diff --git a/src/backend/jit/llvm/llvmjit.c b/src/backend/jit/llvm/llvmjit.c
index 1c10c1a55a0..312612115ca 100644
--- a/src/backend/jit/llvm/llvmjit.c
+++ b/src/backend/jit/llvm/llvmjit.c
@@ -816,7 +816,7 @@ llvm_session_initialize(void)
 
 	if (LLVMGetTargetFromTriple(llvm_triple, &llvm_targetref, &error) != 0)
 	{
-		elog(FATAL, "failed to query triple %s\n", error);
+		elog(FATAL, "failed to query triple %s", error);
 	}
 
 	/*
diff --git a/src/backend/optimizer/util/tlist.c b/src/backend/optimizer/util/tlist.c
index 4d95ffbddb2..c672b338c0d 100644
--- a/src/backend/optimizer/util/tlist.c
+++ b/src/backend/optimizer/util/tlist.c
@@ -865,7 +865,7 @@ apply_pathtarget_labeling_to_tlist(List *tlist, PathTarget *target)
  *
  * The outputs of this function are two parallel lists, one a list of
  * PathTargets and the other an integer list of bool flags indicating
- * whether the corresponding PathTarget contains any evaluatable SRFs.
+ * whether the corresponding PathTarget contains any evaluable SRFs.
  * The lists are given in the order they'd need to be evaluated in, with
  * the "lowest" PathTarget first.  So the last list entry is always the
  * originally given PathTarget, and any entries before it indicate evaluation
diff --git a/src/backend/utils/adt/ruleutils.c b/src/backend/utils/adt/ruleutils.c
index 82f87511a1f..9ac42efdbc3 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -11391,7 +11391,7 @@ get_opclass_name(Oid opclass, Oid actual_datatype,
 
 /*
  * generate_opclass_name
- *		Compute the name to display for a opclass specified by OID
+ *		Compute the name to display for an opclass specified by OID
  *
  * The result includes all necessary quoting and schema-prefixing.
  */
diff --git a/src/backend/utils/misc/guc_internal.h b/src/backend/utils/misc/guc_internal.h
index 8d93d347a72..608c8ae4784 100644
--- a/src/backend/utils/misc/guc_internal.h
+++ b/src/backend/utils/misc/guc_internal.h
@@ -1,16 +1,16 @@
 /*--------------------------------------------------------------------
- * guc_internals.h
+ * guc_internal.h
  *
  * Declarations shared between backend/utils/misc/guc.c and
  * backend/utils/misc/guc-file.l
  *
  * Copyright (c) 2000-2023, PostgreSQL Global Development Group
  *
- * src/include/utils/guc_internals.h
+ * src/include/utils/guc_internal.h
  *--------------------------------------------------------------------
  */
-#ifndef GUC_INTERNALS_H
-#define GUC_INTERNALS_H
+#ifndef GUC_INTERNAL_H
+#define GUC_INTERNAL_H
 
 #include "utils/guc.h"
 
@@ -23,4 +23,4 @@ extern void record_config_file_error(const char *errmsg,
 									 ConfigVariable **head_p,
 									 ConfigVariable **tail_p);
 
-#endif							/* GUC_INTERNALS_H */
+#endif							/* GUC_INTERNAL_H */