@@ -421,7 +421,7 @@ \subsection{File Descriptor Operations \label{os-fd-ops}}
421421Return system configuration information relevant to an open file.
422422\var {name} specifies the configuration value to retrieve; it may be a
423423string which is the name of a defined system value; these names are
424- specified in a number of standards (\POSIX .1, \UNIX 95, \UNIX 98, and
424+ specified in a number of standards (\POSIX .1, \UNIX {} 95, \UNIX {} 98, and
425425others). Some platforms define additional names as well. The names
426426known to the host operating system are given in the
427427\code {pathconf_names} dictionary. For configuration variables not
@@ -793,7 +793,7 @@ \subsection{Files and Directories \label{os-file-dir}}
793793Return system configuration information relevant to a named file.
794794\var {name} specifies the configuration value to retrieve; it may be a
795795string which is the name of a defined system value; these names are
796- specified in a number of standards (\POSIX .1, \UNIX 95, \UNIX 98, and
796+ specified in a number of standards (\POSIX .1, \UNIX {} 95, \UNIX {} 98, and
797797others). Some platforms define additional names as well. The names
798798known to the host operating system are given in the
799799\code {pathconf_names} dictionary. For configuration variables not
@@ -1080,7 +1080,7 @@ \subsection{Files and Directories \label{os-file-dir}}
10801080of its subdirectories (directories are generated bottom up).
10811081
10821082When \var {topdown} is true, the caller can modify the \var {dirnames} list
1083- in-place (e.g., via \keyword {del} or slice assignment), and
1083+ in-place (perhaps unsing \keyword {del} or slice assignment), and
10841084\function {walk()} will only recurse into the subdirectories whose names
10851085remain in \var {dirnames}; this can be used to prune the search,
10861086impose a specific order of visiting, or even to inform \function {walk()}
@@ -1667,7 +1667,7 @@ \subsection{Miscellaneous System Information \label{os-path}}
16671667Return string-valued system configuration values.
16681668\var {name} specifies the configuration value to retrieve; it may be a
16691669string which is the name of a defined system value; these names are
1670- specified in a number of standards (\POSIX , \UNIX 95, \UNIX 98, and
1670+ specified in a number of standards (\POSIX , \UNIX {} 95, \UNIX {} 98, and
16711671others). Some platforms define additional names as well. The names
16721672known to the host operating system are given in the
16731673\code {confstr_names} dictionary. For configuration variables not
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