Spelling errors fixed.

doc/Protocol-A.texi

@@ -10622,7 +10622,7 @@ Texinfo markup, so that the program has to be updated.
 
 @item We often rename requests and data types, in order to have good
 names for the most recommended functions and types.  However, a
-program that uses a datatypemight fail if that type suddenly is
+program that uses a data type might fail if that type suddenly is
 altered.
 
 @end itemize
@@ -11602,7 +11602,7 @@ All calls from 0--56.
 
 @item 11.1: 2003-08-30
 
-@emph{Modified aux-item:} @aux{mx-refuse-import} [35] now suports the
+@emph{Modified aux-item:} @aux{mx-refuse-import} [35] now supports the
 value @code{html}.  @xref{Aux-Item Types}.
 
 @emph{Previously undocumented stuff:} @xref{Garb}, for information
@@ -11615,7 +11615,7 @@ machine-readable grammars extracted from this specification.
 asynchronous messages now contains the async number.
 
 @emph{Fixed errors:} In the info manual, the status codes in the menus
-of request and asynchronous messages were set to @samp{r} instad of
+of request and asynchronous messages were set to @samp{r} instead of
 @samp{O} for @req{who-is-on-ident}, @req{get-session-info-ident} and
 @async{async-new-text-old}.  Several section headings for obsolete
 requests was missing information about when the request became
@@ -11977,4 +11977,5 @@ End:
 @c  LocalWords:  sven svensson swascii sync synched synching texinfo tkom kent
 @c  LocalWords:  ttykom uconf undef unmark userid username val varg yoruba dont
 @c  LocalWords:  Nyheter davby Testconf com Unicode roadmap interoperability
-@c  LocalWords:  Bugzilla stats spam SpamAssassin DNS boottime
+@c  LocalWords:  Bugzilla stats spam SpamAssassin DNS boottime fprintf IEC libc
+@c  LocalWords:  SRV bool utc txt