Re: Fix more typos

[Bruno Haible]

Dmitry V. Levin wrote:
> I don't think that use of "iff" here and in many other places touched
> by this patch is a typo.

Agree. https://en.wikipedia.org/wiki/If_and_only_if

In gnulib-tool.texi, "fulfil" vs. "fulfill" is an English vs. American
spelling difference. Better respect the preference of the author.

In mountlist.h, "filesystems" should be replaced by "file systems";
that's the proper spelling.

I'm thus applying this in your name, Tim:


diff --git a/lib/af_alg.h b/lib/af_alg.h
index aabb52fab..877369a7f 100644
--- a/lib/af_alg.h
+++ b/lib/af_alg.h
@@ -66,7 +66,7 @@ afalg_buffer (const char *buffer, size_t len, const char *alg,
    STREAM is an open file stream.  The last operation on STREAM should
    not be 'ungetc', and if STREAM is also open for writing it should
    have been fflushed since its last write.  Read from the current
-   position to the end of STREAM.  Handle regular files efficently.
+   position to the end of STREAM.  Handle regular files efficiently.
 
    ALG is the message digest algorithm; see the file /proc/crypto.
 
diff --git a/lib/argp-help.c b/lib/argp-help.c
index 75abe84df..908ed91c7 100644
--- a/lib/argp-help.c
+++ b/lib/argp-help.c
@@ -1556,7 +1556,7 @@ argp_doc (const struct argp *argp, const struct 
argp_state *state,
 }
 
 /* Output a usage message for ARGP to STREAM.  If called from
-   argp_state_help, STATE is the relevent parsing state.  FLAGS are from the
+   argp_state_help, STATE is the relevant parsing state.  FLAGS are from the
    set ARGP_HELP_*.  NAME is what to use wherever a 'program name' is
    needed. */
 static void
diff --git a/lib/cdefs.h b/lib/cdefs.h
index 4b696590c..4f9217544 100644
--- a/lib/cdefs.h
+++ b/lib/cdefs.h
@@ -340,7 +340,7 @@
    semantics.
 
    clang++ identifies itself as gcc-4.2, but has support for GNU inlining
-   semantics, that can be checked fot by using the __GNUC_STDC_INLINE_ and
+   semantics, that can be checked for by using the __GNUC_STDC_INLINE_ and
    __GNUC_GNU_INLINE__ macro definitions.  */
 #if (!defined __cplusplus || __GNUC_PREREQ (4,3) \
      || (defined __clang__ && (defined __GNUC_STDC_INLINE__ \
diff --git a/lib/file-set.c b/lib/file-set.c
index 5916a178e..5eb9fae3e 100644
--- a/lib/file-set.c
+++ b/lib/file-set.c
@@ -48,7 +48,7 @@ record_file (Hash_table *ht, char const *file, struct stat 
const *stats)
 
     if (ent_from_table != ent)
       {
-        /* There was alread a matching entry in the table, so ENT was
+        /* There was already a matching entry in the table, so ENT was
            not inserted.  Free it.  */
         triple_free (ent);
       }
diff --git a/lib/get-rusage-as.c b/lib/get-rusage-as.c
index 0ace6d67c..73364c719 100644
--- a/lib/get-rusage-as.c
+++ b/lib/get-rusage-as.c
@@ -91,7 +91,7 @@
      b) pstat_getprocvm() can be used to find out about the virtual memory
         areas.
      Both methods agree, except that the value of get_rusage_as_via_iterator()
-     is slighly larger higher than get_rusage_as_via_setrlimit(), by 4 KB in
+     is slightly larger higher than get_rusage_as_via_setrlimit(), by 4 KB in
      32-bit mode and by 40 KB in 64-bit mode.
 
    IRIX:
diff --git a/lib/mountlist.h b/lib/mountlist.h
index d0cf6c1d6..e4ec024a3 100644
--- a/lib/mountlist.h
+++ b/lib/mountlist.h
@@ -32,7 +32,7 @@ struct mount_entry
   char *me_type;                /* "nfs", "4.2", etc. */
   dev_t me_dev;                 /* Device number of me_mountdir. */
   unsigned int me_dummy : 1;    /* Nonzero for dummy file systems. */
-  unsigned int me_remote : 1;   /* Nonzero for remote fileystems. */
+  unsigned int me_remote : 1;   /* Nonzero for remote file systems. */
   unsigned int me_type_malloced : 1; /* Nonzero if me_type was malloced. */
   struct mount_entry *me_next;
 };
diff --git a/lib/regexec.c b/lib/regexec.c
index 0a7a27b77..91d5a797b 100644
--- a/lib/regexec.c
+++ b/lib/regexec.c
@@ -2207,7 +2207,7 @@ sift_states_iter_mb (const re_match_context_t *mctx, 
re_sift_context_t *sctx,
                            dfa->nexts[node_idx]))
     /* The node can't accept the "multi byte", or the
        destination was already thrown away, then the node
-       could't accept the current input "multi byte".   */
+       couldn't accept the current input "multi byte".   */
     naccepted = 0;
   /* Otherwise, it is sure that the node could accept
      'naccepted' bytes input.  */
diff --git a/lib/strptime.c b/lib/strptime.c
index bd7f87032..e6d405a44 100644
--- a/lib/strptime.c
+++ b/lib/strptime.c
@@ -277,7 +277,7 @@ __strptime_internal (rp, fmt, tm, decided, era_cnt 
LOCALE_PARAM)
         }
 
       /* Any character but '%' must be matched by the same character
-         in the iput string.  */
+         in the input string.  */
       if (*fmt != '%')
         {
           match_char (*fmt++, *rp++);
diff --git a/lib/trigl.c b/lib/trigl.c
index 1f73bd92e..29cd2ba3e 100644
--- a/lib/trigl.c
+++ b/lib/trigl.c
@@ -325,7 +325,7 @@ static char rcsid[] =
  *                      z    = (z-x[i])*2**24
  *
  *
- *      y[]     ouput result in an array of double precision numbers.
+ *      y[]     output result in an array of double precision numbers.
  *              The dimension of y[] is:
  *                      24-bit  precision       1
  *                      53-bit  precision       2
diff --git a/lib/vma-iter.c b/lib/vma-iter.c
index a871d2c55..d64157057 100644
--- a/lib/vma-iter.c
+++ b/lib/vma-iter.c
@@ -125,7 +125,7 @@
      - On all platforms, if some other thread is doing memory allocations or
        deallocations between two read() calls, there is a high risk that the
        result of these two read() calls don't fit together, and as a
-       consequence we will parse gargage and either omit some VMAs or return
+       consequence we will parse garbage and either omit some VMAs or return
        VMAs with nonsensical addresses.
    So use mmap(), and ignore the resulting VMA.  */
 
diff --git a/pygnulib/GLError.py b/pygnulib/GLError.py
index 9c249a328..0727e2f38 100644
--- a/pygnulib/GLError.py
+++ b/pygnulib/GLError.py
@@ -62,7 +62,7 @@ class GLError(Exception):
           9: missing libname argument
          10: conddeps are not supported with inctests
          11: incompatible licenses on modules: <modules>
-         12: cannot process empy filelist
+         12: cannot process empty filelist
          13: cannot create the given directory: <directory>
          14: cannot delete the given file: <file>
          15: cannot create the given file: <file>
@@ -71,7 +71,7 @@ class GLError(Exception):
          18: module lacks a license: <module>
          19: could not create destination directory: <directory>
         errinfo: additional information;
-        style: 0 or 1, wheter old-style'''
+        style: 0 or 1, whether old-style'''
         self.errno = errno
         self.errinfo = errinfo
         self.args = (self.errno, self.errinfo)
@@ -97,7 +97,7 @@ class GLError(Exception):
                 + " so you might have to set this argument",
                 "conddeps are not supported with inctests",
                 "incompatible licenses on modules: %s" % repr(errinfo),
-                "cannot process empy filelist",
+                "cannot process empty filelist",
                 "cannot create the given directory: %s" % repr(errinfo),
                 "cannot remove the given file: %s" % repr(errinfo),
                 "cannot create the given file: %s" % repr(errinfo),
diff --git a/pygnulib/constants.py b/pygnulib/constants.py
index 2dc64e6b6..39fe08f00 100644
--- a/pygnulib/constants.py
+++ b/pygnulib/constants.py
@@ -54,7 +54,7 @@ if not PYTHON3:
 
#===============================================================================
 # Define global constants
 
#===============================================================================
-# Declare neccessary variables
+# Declare necessary variables
 APP = dict()  # Application
 DIRS = dict()  # Directories
 UTILS = dict()  # Utilities