Fix typos throughout codebase.

* NEWS:
* doc/ref/api-control.texi:
* doc/ref/api-data.texi:
* doc/ref/api-debug.texi:
* doc/ref/api-deprecated.texi:
* doc/ref/api-evaluation.texi:
* doc/ref/api-foreign.texi:
* doc/ref/api-i18n.texi:
* doc/ref/api-io.texi:
* doc/ref/api-languages.texi:
* doc/ref/api-macros.texi:
* doc/ref/api-memory.texi:
* doc/ref/api-modules.texi:
* doc/ref/api-options.texi:
* doc/ref/api-peg.texi:
* doc/ref/api-procedures.texi:
* doc/ref/api-scheduling.texi:
* doc/ref/api-undocumented.texi:
* doc/ref/api-utility.texi:
* doc/ref/expect.texi:
* doc/ref/goops.texi:
* doc/ref/misc-modules.texi:
* doc/ref/posix.texi:
* doc/ref/repl-modules.texi:
* doc/ref/scheme-ideas.texi:
* doc/ref/scheme-scripts.texi:
* doc/ref/srfi-modules.texi:
* gc-benchmarks/larceny/dynamic.sch:
* gc-benchmarks/larceny/twobit-input-long.sch:
* gc-benchmarks/larceny/twobit.sch:
* libguile/gc.h:
* libguile/ioext.c:
* libguile/list.c:
* libguile/options.c:
* libguile/posix.c:
* libguile/threads.c:
* module/ice-9/boot-9.scm:
* module/ice-9/optargs.scm:
* module/ice-9/ports.scm:
* module/ice-9/pretty-print.scm:
* module/ice-9/psyntax.scm:
* module/language/elisp/parser.scm:
* module/language/tree-il/compile-bytecode.scm:
* module/srfi/srfi-37.scm:
* module/srfi/srfi-43.scm:
* module/statprof.scm:
* module/texinfo/reflection.scm:
* test-suite/tests/eval.test:
* test-suite/tests/fluids.test:
Fix typos.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>

module/ice-9/boot-9.scm

@@ -2750,8 +2750,8 @@ are not themselves bound to a defined value."
 
 (define (module-symbol-local-binding m v . opt-val)
   "Return the binding of variable V specified by name within module M,
-signalling an error if the variable is unbound.  If the OPT-VALUE is
-passed, then instead of signalling an error, return OPT-VALUE."
+signaling an error if the variable is unbound.  If the OPT-VALUE is
+passed, then instead of signaling an error, return OPT-VALUE."
   (let ((var (module-local-variable m v)))
     (if (and var (variable-bound? var))
         (variable-ref var)
@@ -2761,8 +2761,8 @@ passed, then instead of signalling an error, return OPT-VALUE."
 
 (define (module-symbol-binding m v . opt-val)
   "Return the binding of variable V specified by name within module M,
-signalling an error if the variable is unbound.  If the OPT-VALUE is
-passed, then instead of signalling an error, return OPT-VALUE."
+signaling an error if the variable is unbound.  If the OPT-VALUE is
+passed, then instead of signaling an error, return OPT-VALUE."
   (let ((var (module-variable m v)))
     (if (and var (variable-bound? var))
         (variable-ref var)
@@ -3452,7 +3452,7 @@ error if selected binding does not exist in the used module."
        ;; FIXME: Avoid use of `apply'.
        (apply module-autoload! module autoloads)
        (let ((duplicates (or duplicates
-                             ;; Avoid stompling a previously installed
+                             ;; Avoid stomping a previously installed
                              ;; duplicates handlers if possible.
                              (and (not (module-duplicates-handlers module))
                                   ;; Note: If you change this default,

module/ice-9/optargs.scm

@@ -196,7 +196,7 @@
 ;;
 ;; lambda* creates a procedure that takes optional arguments. These
 ;; are specified by putting them inside brackets at the end of the
-;; paramater list, but before any dotted rest argument. For example,
+;; parameter list, but before any dotted rest argument. For example,
 ;;   (lambda* (a b #:optional c d . e) '())
 ;; creates a procedure with fixed arguments a and b, optional arguments c
 ;; and d, and rest argument e. If the optional arguments are omitted

module/ice-9/ports.scm

@@ -461,7 +461,7 @@ never again be used for a read or write operation."
 
 (define* (call-with-output-file file proc #:key (binary #f) (encoding #f))
   "PROC should be a procedure of one argument, and FILE should be a
-string naming a file.  The behaviour is unspecified if the file
+string naming a file.  The behavior is unspecified if the file
 already exists. These procedures call PROC
 with one argument: the port obtained by opening the named file for
 input or output.  If the file cannot be opened, an error is

module/ice-9/pretty-print.scm

@@ -320,7 +320,7 @@ into @var{width} characters. By default, @var{x} will be printed using
 @code{write}, though that behavior can be overriden via the
 @var{display?} keyword argument.
 
-The default behaviour is to print depth-first, meaning that the entire
+The default behavior is to print depth-first, meaning that the entire
 remaining width will be available to each sub-expression of @var{x} --
 e.g., if @var{x} is a vector, each member of @var{x}. One can attempt to
 \"ration\" the available width, trying to allocate it equally to each

module/ice-9/psyntax.scm

@@ -481,7 +481,7 @@
     ;;               (lexical . <var>)               lexical variables
     ;;               (ellipsis . <identifier>)       custom ellipsis
     ;;               (displaced-lexical)             displaced lexicals
-    ;; <level>   ::= <nonnegative integer>
+    ;; <level>   ::= <non-negative integer>
     ;; <var>     ::= variable returned by build-lexical-var
 
     ;; a macro is a user-defined syntactic-form.  a core is a

module/language/elisp/parser.scm

@@ -37,7 +37,7 @@
 
 ;;; For parsing circular structures, we keep track of definitions in a
 ;;; hash-map that maps the id's to their values.  When defining a new
-;;; id, though, we immediatly fill the slot with a promise before
+;;; id, though, we immediately fill the slot with a promise before
 ;;; parsing and setting the real value, because it must already be
 ;;; available at that time in case of a circular reference.  The promise
 ;;; refers to a local variable that will be set when the real value is

module/language/tree-il/compile-bytecode.scm

@@ -1124,7 +1124,7 @@ in the frame with for the lambda-case clause @var{clause}."
               (0 
                (emit-load-static-procedure asm dst label))
               (nfree
-               ;; Stage closure in 0 to avoid stompling captured free
+               ;; Stage closure in 0 to avoid stomping captured free
                ;; vars.
                (emit-allocate-closure asm 0 nfree label 1)
                (init-free-vars 0 free-vars env 1 2)
@@ -1148,7 +1148,7 @@ in the frame with for the lambda-case clause @var{clause}."
                          frame-size)))
 
         (($ <primcall> src (? variadic-constructor? name) args)
-         ;; Stage result in 0 to avoid stompling args.
+         ;; Stage result in 0 to avoid stomping args.
          (let ((args (for-args args env)))
            (maybe-emit-source src)
            (match name

module/srfi/srfi-37.scm

@@ -84,7 +84,7 @@
 
 (define (build-options-lookup options)
   "Answer an `equal?' Guile hash-table that maps OPTIONS' names back
-to the containing options, signalling an error if a name is
+to the containing options, signaling an error if a name is
 encountered more than once."
   (let ((lookup (make-hash-table (* 2 (length options)))))
     (for-each

module/srfi/srfi-43.scm

@@ -546,7 +546,7 @@ left-to-right."
 
 (define vector-count
   (case-lambda
-    "(vector-count pred? vec1 vec2 ...) -> exact nonnegative integer
+    "(vector-count pred? vec1 vec2 ...) -> exact non-negative integer
 
 Count the number of indices i for which (PRED? VEC1[i] VEC2[i] ...)
 returns true, where i is less than the length of the shortest vector
@@ -586,7 +586,7 @@ passed."
 
 (define vector-index
   (case-lambda
-    "(vector-index pred? vec1 vec2 ...) -> exact nonnegative integer or #f
+    "(vector-index pred? vec1 vec2 ...) -> exact non-negative integer or #f
 
 Find and return the index of the first elements in VEC1 VEC2 ... that
 satisfy PRED?.  If no matching element is found by the end of the
@@ -624,7 +624,7 @@ shortest vector, return #f."
 
 (define vector-index-right
   (case-lambda
-    "(vector-index-right pred? vec1 vec2 ...) -> exact nonnegative integer or #f
+    "(vector-index-right pred? vec1 vec2 ...) -> exact non-negative integer or #f
 
 Find and return the index of the last elements in VEC1 VEC2 ... that
 satisfy PRED?, searching from right-to-left.  If no matching element
@@ -662,7 +662,7 @@ is found before the end of the shortest vector, return #f."
 
 (define vector-skip
   (case-lambda
-    "(vector-skip pred? vec1 vec2 ...) -> exact nonnegative integer or #f
+    "(vector-skip pred? vec1 vec2 ...) -> exact non-negative integer or #f
 
 Find and return the index of the first elements in VEC1 VEC2 ... that
 do not satisfy PRED?.  If no matching element is found by the end of
@@ -700,7 +700,7 @@ the shortest vector, return #f."
 
 (define vector-skip-right
   (case-lambda
-    "(vector-skip-right pred? vec1 vec2 ...) -> exact nonnegative integer or #f
+    "(vector-skip-right pred? vec1 vec2 ...) -> exact non-negative integer or #f
 
 Find and return the index of the last elements in VEC1 VEC2 ... that
 do not satisfy PRED?, searching from right-to-left.  If no matching
@@ -748,7 +748,7 @@ element is found before the end of the shortest vector, return #f."
                      ((positive? c) (loop lo i))
                      ((negative? c) (loop (+ i 1) hi)))))))
     (case-lambda
-      "(vector-binary-search vec value cmp [start [end]]) -> exact nonnegative integer or #f
+      "(vector-binary-search vec value cmp [start [end]]) -> exact non-negative integer or #f
 
 Find and return an index of VEC between START and END whose value is
 VALUE using a binary search.  If no matching element is found, return

module/statprof.scm

@@ -319,7 +319,7 @@ than @code{statprof-stop}, @code{#f} otherwise."
   
 ;; Do not call this from statprof internal functions -- user only.
 (define* (statprof-stop #:optional (state (ensure-profiler-state)))
-  "Stop the profiler.@code{}"
+  "Stop the profiler."
   ;; After some head-scratching, I don't *think* I need to mask/unmask
   ;; signals here, but if I'm wrong, please let me know.
   (set-profile-level! state (- (profile-level state) 1))

module/texinfo/reflection.scm

@@ -20,7 +20,7 @@
 
 ;;; Commentary:
 ;;
-;;Routines to generare @code{stexi} documentation for objects and
+;;Routines to generate @code{stexi} documentation for objects and
 ;;modules.
 ;;
 ;;Note that in this context, an @dfn{object} is just a value associated