--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,15 @@
+2011-05-20  Jim Meyering  <meyering@redhat.com>
+
+	maint: replace misused "a" with "an"
+	* doc/intprops.texi: "a integer"
+	* doc/regex.texi: "a explanation"
+	* lib/alignof.h: "a object"
+	* lib/argmatch.h: "a explanation"
+	* lib/argp-help.c: "a option" and "a OPTION_DOC"
+	* lib/stdint.in.h: "a integer"
+	* lib/userspec.c: "a owner"
+	* doc/gnulib.texi: Fix "a idea", and reword.
+
 2011-05-19  Jim Meyering  <meyering@redhat.com>
 
 	maint: correct misuse of "a" and "an"

--- a/doc/gnulib.texi
+++ b/doc/gnulib.texi
@@ -550,7 +550,7 @@
 
 The body of the test, then, contains many @code{ASSERT} invocations.  When
 a test fails, the @code{ASSERT} macro prints the line number of the failing
-statement, thus giving you as a developer a idea which part of the test
+statement, thus giving you, the developer, an idea of which part of the test
 failed, even when you don't have access to the machine where the test failed
 and the reporting user cannot run a debugger.
 

--- a/doc/intprops.texi
+++ b/doc/intprops.texi
@@ -58,7 +58,7 @@
 
 @findex TYPE_IS_INTEGER
 @code{TYPE_IS_INTEGER (@var{t})} expands to a constant
-expression that is 1 if the arithmetic type @var{t} is a integer type.
+expression that is 1 if the arithmetic type @var{t} is an integer type.
 @code{_Bool} counts as an integer type.
 
 @findex TYPE_SIGNED

--- a/doc/regex.texi
+++ b/doc/regex.texi
@@ -1624,7 +1624,7 @@
 contain newline and null characters.  @var{size} is the length of that
 string.  @var{start} is the string index at which you want to
 begin matching; the first character of @var{string} is at index zero.
-@xref{Using Registers}, for a explanation of @var{regs}; you can safely
+@xref{Using Registers}, for an explanation of @var{regs}; you can safely
 pass zero.
 
 @code{re_match} matches the regular expression in @var{pattern_buffer}

--- a/lib/alignof.h
+++ b/lib/alignof.h
@@ -31,7 +31,7 @@
 # define alignof_slot(type) offsetof (struct { char __slot1; type __slot2; }, __slot2)
 #endif
 
-/* Determine the good alignment of a object of the given type at compile time.
+/* Determine the good alignment of an object of the given type at compile time.
    Note that this is not necessarily the same as alignof_slot(type).
    For example, with GNU C on x86 platforms: alignof_type(double) = 8, but
    - when -malign-double is not specified:  alignof_slot(double) = 4,

--- a/lib/argmatch.h
+++ b/lib/argmatch.h
@@ -73,8 +73,8 @@
 
 
 
-/* Same as argmatch, but upon failure, reports a explanation on the
-   failure, and exits using the function EXIT_FN. */
+/* Same as argmatch, but upon failure, report an explanation of the
+   failure, and exit using the function EXIT_FN. */
 
 ptrdiff_t __xargmatch_internal (char const *context,
                                 char const *arg, char const *const *arglist,

--- a/lib/argp-help.c
+++ b/lib/argp-help.c
@@ -359,7 +359,7 @@
   /* A pointers into the HOL's short_options field, to the first short option
      letter for this entry.  The order of the characters following this point
      corresponds to the order of options pointed to by OPT, and there are at
-     most NUM.  A short option recorded in a option following OPT is only
+     most NUM.  A short option recorded in an option following OPT is only
      valid if it occurs in the right place in SHORT_OPTIONS (otherwise it's
      probably been shadowed by some other entry).  */
   char *short_options;
@@ -713,7 +713,7 @@
   return cl1 == cl2;
 }
 
-/* Given the name of a OPTION_DOC option, modifies NAME to start at the tail
+/* Given the name of an OPTION_DOC option, modifies NAME to start at the tail
    that should be used for comparisons, and returns true iff it should be
    treated as a non-option.  */
 static int
@@ -1551,7 +1551,7 @@
     free ((char *) inp_text);   /* We copied INP_TEXT, so free it now.  */
 
   if (post && argp->help_filter)
-    /* Now see if we have to output a ARGP_KEY_HELP_EXTRA text.  */
+    /* Now see if we have to output an ARGP_KEY_HELP_EXTRA text.  */
     {
       text = (*argp->help_filter) (ARGP_KEY_HELP_EXTRA, 0, input);
       if (text)

--- a/lib/stdint.in.h
+++ b/lib/stdint.in.h
@@ -93,7 +93,7 @@
 
 #undef _GL_JUST_INCLUDE_SYSTEM_INTTYPES_H
 
-/* Minimum and maximum values for a integer type under the usual assumption.
+/* Minimum and maximum values for an integer type under the usual assumption.
    Return an unspecified value if BITS == 0, adding a check to pacify
    picky compilers.  */
 

--- a/lib/userspec.c
+++ b/lib/userspec.c
@@ -254,7 +254,7 @@
   if (!colon && error_msg)
     {
       /* If there's no colon but there is a dot, and if looking up the
-         whole spec failed (i.e., the spec is not a owner name that
+         whole spec failed (i.e., the spec is not an owner name that
          includes a dot), then try again, but interpret the dot as a
          separator.  This is a compatible extension to POSIX, since
          the POSIX-required behavior is always tried first.  */