Remove stray mid-sentence tabs in comments

src/backend/executor/nodeIncrementalSort.c

@@ -69,7 +69,7 @@
  *	the entire result set is available.
  *
  *	The hybrid mode approach allows us to optimize for both very small
- *	groups (where the overhead of a new tuplesort is high) and very	large
+ *	groups (where the overhead of a new tuplesort is high) and very large
  *	groups (where we can lower cost by not having to sort on already sorted
  *	columns), albeit at some extra cost while switching between modes.
  *

src/backend/libpq/be-secure-openssl.c

@@ -1025,7 +1025,7 @@ load_dh_file(char *filename, bool isServerStart)
  *	Load hardcoded DH parameters.
  *
  *	If DH parameters cannot be loaded from a specified file, we can load
- *	the	hardcoded DH parameters supplied with the backend to prevent
+ *	the hardcoded DH parameters supplied with the backend to prevent
  *	problems.
  */
 static DH  *

src/backend/storage/smgr/smgr.c

@@ -540,7 +540,7 @@ smgrzeroextend(SMgrRelation reln, ForkNumber forknum, BlockNumber blocknum,
  * smgrprefetch() -- Initiate asynchronous read of the specified block of a relation.
  *
  * In recovery only, this can return false to indicate that a file
- * doesn't	exist (presumably it has been dropped by a later WAL
+ * doesn't exist (presumably it has been dropped by a later WAL
  * record).
  */
 bool

src/backend/tsearch/ts_parse.c

@@ -50,7 +50,7 @@ typedef struct
 
 	/*
 	 * fields to store last variant to lexize (basically, thesaurus or similar
-	 * to, which wants	several lexemes
+	 * to, which wants several lexemes
 	 */
 
 	ParsedLex  *lastRes;

src/include/common/jsonapi.h

@@ -126,7 +126,7 @@ typedef struct JsonSemAction
 /*
  * pg_parse_json will parse the string in the lex calling the
  * action functions in sem at the appropriate points. It is
- * up to them to keep what state they need	in semstate. If they
+ * up to them to keep what state they need in semstate. If they
  * need access to the state of the lexer, then its pointer
  * should be passed to them as a member of whatever semstate
  * points to. If the action pointers are NULL the parser

src/include/port/win32_port.h

@@ -147,7 +147,7 @@
  *			https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-erref/596a1078-e883-4972-9bbc-49e60bebca55
  *
  *	The comprehensive exception list is included in ntstatus.h from the
- *	Windows	Driver Kit (WDK).  A subset of the list is also included in
+ *	Windows Driver Kit (WDK).  A subset of the list is also included in
  *	winnt.h from the Windows SDK.  Defining WIN32_NO_STATUS before including
  *	windows.h helps to avoid any conflicts.
  *

src/interfaces/ecpg/pgtypeslib/timestamp.c

@@ -346,7 +346,7 @@ dttofmtasc_replace(timestamp * ts, date dDate, int dow, struct tm *tm,
 					break;
 
 					/*
-					 * The	preferred  date  and  time	representation	for
+					 * The preferred date and time representation for
 					 * the current locale.
 					 */
 				case 'c':