docs: spell check

Author: nedbat

doc/dict.txt

@@ -30,6 +30,7 @@ cmdline
 Cobertura
 codecs
 colorsys
+combinable
 conditionalizing
 config
 configparser
@@ -45,8 +46,11 @@ covhtml
 CPython
 css
 CTracer
+Cython
 datetime
+deallocating
 dedent
+defaultdict
 deserialize
 deserialized
 dict
@@ -60,6 +64,7 @@ doctest
 doctests
 DOCTYPE
 DOM
+encodable
 encodings
 endfor
 endif
@@ -71,6 +76,8 @@ execfile
 executability
 executable's
 expr
+extensibility
+favicon
 filename
 filenames
 filepath
@@ -86,6 +93,7 @@ getattr
 gevent
 gevent's
 github
+gitignore
 globals
 greenlet
 hotkey
@@ -96,6 +104,7 @@ htmlcov
 http
 https
 importlib
+installable
 instancemethod
 int
 ints
@@ -104,11 +113,14 @@ iterable
 iterables
 Jinja
 jquery
+jQuery
 json
 jython
 kwargs
 lcov
+localStorage
 Mako
+manylinux
 matcher
 matchers
 merchantability
@@ -146,6 +158,7 @@ optparse
 os
 outfile
 overridable
+parallelizing
 parsable
 parsers
 pathnames
@@ -173,15 +186,21 @@ pyw
 rcfile
 readme
 readthedocs
+recordable
 refactored
 refactoring
 refactorings
 regex
 regexes
+reimplemented
 renderer
+runnable
+runtime
+scrollbar
 serializable
 settrace
 setuptools
+sigterm
 sitecustomize
 sortable
 src
@@ -190,11 +209,17 @@ stderr
 stdlib
 stdout
 str
+subclasses
+subdirectory
+subprocess
+subprocesses
 symlink
 symlinks
+syntaxes
 sys
 templite
 templating
+testability
 Tidelift
 timestamp
 todo
@@ -206,6 +231,7 @@ tokenizer
 tokenizes
 tokenizing
 toml
+tomllib
 tox
 traceback
 tracebacks
@@ -214,17 +240,20 @@ tuples
 txt
 ubuntu
 undecodable
+unexecutable
 unexecuted
 unicode
 uninstall
 unittest
 unparsable
+unrunnable
 unsubscriptable
 untokenizable
 username
 URL
 UTF
 utf
+vendored
 versionadded
 virtualenv
 whitespace

doc/faq.rst

@@ -90,7 +90,7 @@ Make sure you are using the C trace function.  Coverage.py provides two
 implementations of the trace function.  The C implementation runs much faster.
 To see what you are running, use ``coverage debug sys``.  The output contains
 details of the environment, including a line that says either
-``CTrace: available`` or ``CTracer: unavailable``.  If it says unavailble,
+``CTrace: available`` or ``CTracer: unavailable``.  If it says unavailable,
 then you are using the slow Python implementation.
 
 Try re-installing coverage.py to see what happened and if you get the CTracer