Fix typos found by contrib/spell-checker

COPYING

@@ -8,7 +8,7 @@ version 2.0 or later (see the file COPYINGv2) or the GNU Lesser
 General Public License version 3.0 or later (see the file
 COPYING.LESSERv3), or both in parallel as here.
 
-The command line tool, self tests, examples, and other auxilliary
+The command line tool, self tests, examples, and other auxiliary
 files, are licensed under the GNU General Public License version 3.0
 or later.
 

NEWS

@@ -179,7 +179,7 @@ Reported by Dagobert Michelsen <dam@opencsw.org>.
 * Version 0.9 (released 2013-07-23) [alpha]
 
 ** Fix broken IANA link.
-Apparently IANA does not provide persistant URLs to their registries.
+Apparently IANA does not provide persistent URLs to their registries.
 
 ** Fix automake bootstrap issue.
 

doc/gdoc

@@ -97,7 +97,7 @@ eval '(exit $?0)' && eval 'exec perl -S "$0" ${1+"$@"}'
 #  * my_function
 #  **/
 #
-# If the Description: header tag is ommitted, then there must be a blank line
+# If the Description: header tag is omitted, then there must be a blank line
 # after the last parameter specification.
 # e.g.
 # /**
@@ -302,7 +302,7 @@ sub dump_section {
 #  parameterlist => @list of parameters
 #  parameters => %parameter descriptions
 #  sectionlist => @list of sections
-#  sections => %descriont descriptions
+#  sections => %section descriptions
 #
 
 sub just_highlight {
@@ -1006,7 +1006,7 @@ foreach $file (@ARGV) {
 		    $contents .= $1."\n";
 		}
 	    } else {
-		# i dont know - bad line?  ignore.
+		# i don't know - bad line?  ignore.
 		print STDERR "warning: $lineno: Bad line: $_";
 	    }
 	} elsif ($state == 3) {	# scanning for function { (end of prototype)

doc/idn2.md

@@ -6,7 +6,7 @@
 
 ## DESCRIPTION
 
-idn2 tool converts DNS domains from UTF-8 to ASCII compatibile encoding
+idn2 tool converts DNS domains from UTF-8 to ASCII compatible encoding
 (ACE) form, as used in the DNS protocol. The encoding format is the
 Internationalized Domain Name (IDNA2008/TR46) format.
 

doc/libidn2.texi

@@ -163,7 +163,7 @@ Use STD3 ASCII rules. This is a TR#46 flag and is a no-op when IDN2_NO_TR46 is s
 
 @section Return Codes
 
-The functions normally return 0 on sucess or a negative error code.
+The functions normally return 0 on success or a negative error code.
 
 @deftypevr {Return code} {idn2_rc} IDN2_OK
 Successful return.

doc/reference/Makefile.am

@@ -53,7 +53,7 @@ HTML_IMAGES=
 # e.g. content_files=running.xml building.xml changes-2.0.xml
 content_files=
 
-# Files where gtk-doc abbrevations (#GtkWidget) are expanded
+# Files where gtk-doc abbreviations (#GtkWidget) are expanded
 # e.g. expand_content_files=running.xml
 expand_content_files=
 

lib/idn2.h.in

@@ -261,7 +261,7 @@ extern "C"
     IDN2_INVALID_NONTRANSITIONAL = -313,
   } idn2_rc;
 
-/* Auxilliary functions. */
+/* Auxiliary functions. */
 
   extern _IDN2_API int
     idn2_to_ascii_4i (const uint32_t * input, size_t inlen, char * output, int flags);