invoke.texi: Unified upper- and lower-case in menus.

2007-07-13  Daniel Franke  <franke.daniel@gmail.com>

        * invoke.texi: Unified upper- and lower-case in menus.
        (-w, -W): Removed, documented by gcc.
        * intrinsic.texi: Unified Class-section entries, added
        subroutine/function warning where appropiate.

From-SVN: r126614

gcc/fortran/ChangeLog

+2007-07-13  Daniel Franke  <franke.daniel@gmail.com>
+
+	* invoke.texi: Unified upper- and lower-case in menus.
+	(-w, -W): Removed, documented by gcc.
+	* intrinsic.texi: Unified Class-section entries, added
+	subroutine/function warning where appropiate.
+
 2007-07-12  Daniel Franke  <franke.daniel@gmail.com>
 
 	PR fortran/31639

gcc/fortran/intrinsic.texi

@@ -314,7 +314,7 @@ which is suitable for debugging purposes.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine
 
 @item @emph{Syntax}:
 @code{CALL ABORT}
@@ -876,7 +876,7 @@ in the array along dimension @var{DIM}.
 F95 and later
 
 @item @emph{Class}:
-transformational function
+Transformational function
 
 @item @emph{Syntax}:
 @code{RESULT = ALL(MASK [, DIM])}
@@ -986,7 +986,7 @@ the use of the @ref{IAND} intrinsic defined by the Fortran standard.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = AND(I, J)}
@@ -1090,7 +1090,7 @@ end program test_anint
 F95 and later
 
 @item @emph{Class}:
-transformational function
+Transformational function
 
 @item @emph{Syntax}:
 @code{RESULT = ANY(MASK [, DIM])}
@@ -2221,7 +2221,7 @@ only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -2273,7 +2273,7 @@ only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -2310,7 +2310,7 @@ program chmod_test
   print *, 'Status: ', status
 end program chmod_test
 @end smallexample
-@code{CHMOD} as non-elemental function:
+@code{CHMOD} as function:
 @smallexample
 program chmod_test
   implicit none
@@ -2652,7 +2652,7 @@ range of @math{1 /leq DIM /leq n)} where @math{n} is the rank of @var{MASK}.
 F95 and later
 
 @item @emph{Class}:
-transformational function
+Transformational function
 
 @item @emph{Syntax}:
 @code{RESULT = COUNT(MASK [, DIM])}
@@ -2814,7 +2814,7 @@ only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -3172,7 +3172,7 @@ vectors are @code{LOGICAL}, the result is @code{ANY(X.AND.Y)}.
 F95 and later
 
 @item @emph{Class}:
-transformational function
+Transformational function
 
 @item @emph{Syntax}:
 @code{RESULT = DOT_PRODUCT(X, Y)}
@@ -3310,8 +3310,8 @@ sufficiently small limits that overflows (wrap around) are possible, such as
 become, negative, or numerically less than previous values, during a single
 run of the compiled program.
 
-If @code{DTIME} is invoked as a function, it can not be invoked as a
-subroutine, and vice versa.
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
 
 @var{TARRAY} and @var{RESULT} are @code{INTENT(OUT)} and provide the following:
 
@@ -3325,7 +3325,7 @@ subroutine, and vice versa.
 GNU extension
 
 @item @emph{Class}:
-Subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -3575,8 +3575,8 @@ sufficiently small limits that overflows (wrap around) are possible, such as
 become, negative, or numerically less than previous values, during a single
 run of the compiled program.
 
-If @code{ETIME} is invoked as a function, it can not be invoked as a
-subroutine, and vice versa.
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
 
 @var{TARRAY} and @var{RESULT} are @code{INTENT(OUT)} and provide the following:
 
@@ -3590,7 +3590,7 @@ subroutine, and vice versa.
 GNU extension
 
 @item @emph{Class}:
-Subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -3786,8 +3786,8 @@ end program test_exponent
 @code{CTIME}) in @var{DATE}. It is equivalent to @code{CALL CTIME(DATE,
 TIME())}.
 
-If @code{FDATE} is invoked as a function, it can not be invoked as a
-subroutine, and vice versa.
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
 
 @var{DATE} is an @code{INTENT(OUT)} @code{CHARACTER} variable.
 
@@ -3795,7 +3795,7 @@ subroutine, and vice versa.
 GNU extension
 
 @item @emph{Class}:
-Subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -3882,7 +3882,10 @@ Read a single character in stream mode from stdin by bypassing normal
 formatted output. Stream I/O should not be mixed with normal record-oriented 
 (formatted or unformatted) I/O on the same unit; the results are unpredictable.
 
-This intrinsic routine is provided for backwards compatibility with 
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+
+Note that the @code{FGET} intrinsic is provided for backwards compatibility with 
 @command{g77}.  GNU Fortran provides the Fortran 2003 Stream facility.
 Programmers should consider the use of new stream IO feature in new code 
 for future portability. See also @ref{Fortran 2003 status}.
@@ -3891,7 +3894,7 @@ for future portability. See also @ref{Fortran 2003 status}.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL FGET(C [, STATUS])}
@@ -3940,8 +3943,11 @@ Read a single character in stream mode by bypassing normal formatted output.
 Stream I/O should not be mixed with normal record-oriented (formatted or 
 unformatted) I/O on the same unit; the results are unpredictable.
 
-This intrinsic routine is provided for backwards compatibility with 
-@command{g77}.  GNU Fortran provides the Fortran 2003 Stream facility.
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+
+Note that the @code{FGET} intrinsic is provided for backwards compatibility
+with @command{g77}.  GNU Fortran provides the Fortran 2003 Stream facility.
 Programmers should consider the use of new stream IO feature in new code 
 for future portability. See also @ref{Fortran 2003 status}.
 
@@ -3949,7 +3955,7 @@ for future portability. See also @ref{Fortran 2003 status}.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL FGETC(UNIT, C [, STATUS])}
@@ -4045,7 +4051,7 @@ argument, all units are flushed, otherwise just the unit specified.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine
 
 @item @emph{Syntax}:
 @code{CALL FLUSH(UNIT)}
@@ -4077,7 +4083,7 @@ open Fortran I/O unit @code{UNIT}.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = FNUM(UNIT)}
@@ -4117,7 +4123,10 @@ Write a single character in stream mode to stdout by bypassing normal
 formatted output. Stream I/O should not be mixed with normal record-oriented 
 (formatted or unformatted) I/O on the same unit; the results are unpredictable.
 
-This intrinsic routine is provided for backwards compatibility with 
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+
+Note that the @code{FGET} intrinsic is provided for backwards compatibility with 
 @command{g77}.  GNU Fortran provides the Fortran 2003 Stream facility.
 Programmers should consider the use of new stream IO feature in new code 
 for future portability. See also @ref{Fortran 2003 status}.
@@ -4126,7 +4135,7 @@ for future portability. See also @ref{Fortran 2003 status}.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL FPUT(C [, STATUS])}
@@ -4168,7 +4177,10 @@ Write a single character in stream mode by bypassing normal formatted
 output. Stream I/O should not be mixed with normal record-oriented 
 (formatted or unformatted) I/O on the same unit; the results are unpredictable.
 
-This intrinsic routine is provided for backwards compatibility with 
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+
+Note that the @code{FGET} intrinsic is provided for backwards compatibility with 
 @command{g77}.  GNU Fortran provides the Fortran 2003 Stream facility.
 Programmers should consider the use of new stream IO feature in new code 
 for future portability. See also @ref{Fortran 2003 status}.
@@ -4177,7 +4189,7 @@ for future portability. See also @ref{Fortran 2003 status}.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL FPUTC(UNIT, C [, STATUS])}
@@ -4386,11 +4398,14 @@ already opened file is obtained.
 
 The elements in @code{BUFF} are the same as described by @ref{STAT}.
 
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+
 @item @emph{Standard}:
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL FSTAT(UNIT, BUFF [, STATUS])}
@@ -4671,11 +4686,14 @@ END PROGRAM
 @item @emph{Description}:
 Get current working directory.
 
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+
 @item @emph{Standard}:
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine.
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL GETCWD(CWD [, STATUS])}
@@ -4805,7 +4823,7 @@ Returns the numerical group ID of the current process.
 GNU extension
 
 @item @emph{Class}:
-function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = GETGID()}
@@ -4883,7 +4901,7 @@ Returns the numerical process identifier of the current process.
 GNU extension
 
 @item @emph{Class}:
-function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = GETPID()}
@@ -4922,7 +4940,7 @@ Returns the numerical user ID of the current process.
 GNU extension
 
 @item @emph{Class}:
-function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = GETUID()}
@@ -5192,7 +5210,7 @@ standard.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental Function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = IARGC()}
@@ -5494,7 +5512,7 @@ function.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = IERRNO()}
@@ -5750,7 +5768,7 @@ it is used as a new seed with @code{SRAND}.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = IRAND(FLAG)}
@@ -5791,7 +5809,7 @@ Determine whether a unit is connected to a terminal device.
 GNU extension.
 
 @item @emph{Class}:
-Non-elemental function.
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = ISATTY(UNIT)}
@@ -5960,8 +5978,11 @@ end program test_itime
 Sends the signal specified by @var{SIGNAL} to the process @var{PID}.
 See @code{kill(2)}.
 
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+
 @item @emph{Class}:
-Subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL KILL(PID, SIGNAL [, STATUS])}
@@ -6247,7 +6268,7 @@ however, only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -6668,11 +6689,14 @@ then the link itself is statted, not the file that it refers to.
 
 The elements in @code{BUFF} are the same as described by @ref{STAT}.
 
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
+
 @item @emph{Standard}:
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL LSTAT(FILE, BUFF [, STATUS])}
@@ -6765,7 +6789,7 @@ using Fortran 95 pointers, the memory allocation intrinsic is
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{PTR = MALLOC(SIZE)}
@@ -7088,7 +7112,7 @@ compiled program.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = MCLOCK()}
@@ -7128,7 +7152,7 @@ less than previous values during a single run of the compiled program.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = MCLOCK8()}
@@ -7825,7 +7849,7 @@ the use of the @ref{IOR} intrinsic defined by the Fortran standard.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = OR(X, Y)}
@@ -8155,7 +8179,7 @@ documentation.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{See also}:
 @ref{RAND}, @ref{RANDOM_NUMBER}
@@ -8180,7 +8204,7 @@ it is used as a new seed with @code{SRAND}.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = RAND(FLAG)}
@@ -8443,7 +8467,7 @@ however, only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -8747,7 +8771,7 @@ use is discouraged.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = SECNDS (X)}
@@ -8798,7 +8822,7 @@ however, only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -9096,7 +9120,7 @@ is supplied, it is set to the value returned by @code{signal(2)}.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -9559,7 +9583,7 @@ generator is specified by the required argument @var{SEED}.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine
 
 @item @emph{Syntax}:
 @code{CALL SRAND(SEED)}
@@ -9622,12 +9646,14 @@ The elements that are obtained and stored in the array @code{BUFF}:
 Not all these elements are relevant on all systems. 
 If an element is not relevant, it is returned as 0.
 
+This intrinsic is provided in both subroutine and function forms; however,
+only one form can be used in any given program unit.
 
 @item @emph{Standard}:
 GNU extension
 
 @item @emph{Class}:
-Non-elemental subroutine
+Subroutine, function
 
 @item @emph{Syntax}:
 @code{CALL STAT(FILE,BUFF[,STATUS])}
@@ -9752,7 +9778,7 @@ however, only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -9794,7 +9820,7 @@ however, only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -9990,7 +10016,7 @@ compilers.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = TIME()}
@@ -10029,7 +10055,7 @@ less than previous values during a single run of the compiled program.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = TIME8()}
@@ -10232,7 +10258,7 @@ however, only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -10351,7 +10377,7 @@ however, only one form can be used in any given program unit.
 GNU extension
 
 @item @emph{Class}:
-Subroutine, non-elemental function
+Subroutine, function
 
 @item @emph{Syntax}:
 @multitable @columnfractions .80
@@ -10492,7 +10518,7 @@ the use of the @ref{IEOR} intrinsic defined by the Fortran standard.
 GNU extension
 
 @item @emph{Class}:
-Non-elemental function
+Function
 
 @item @emph{Syntax}:
 @code{RESULT = XOR(X, Y)}

gcc/fortran/invoke.texi

@@ -101,11 +101,11 @@ one is not the default.
 * Runtime Options::     Influencing runtime behavior
 * Code Gen Options::    Specifying conventions for function calls, data layout
                         and register usage.
-* Environment Variables:: Env vars that affect @command{gfortran}.
+* Environment Variables:: Environment variables that affect @command{gfortran}.
 @end menu
 
 @node Option Summary
-@section Option Summary
+@section Option summary
 
 @c man begin OPTIONS
 
@@ -114,7 +114,7 @@ by type.  Explanations are in the following sections.
 
 @table @emph
 @item Fortran Language Options
-@xref{Fortran Dialect Options,,Options Controlling Fortran Dialect}.
+@xref{Fortran Dialect Options,,Options controlling Fortran dialect}.
 @gccoptlist{-fall-intrinsics  -ffree-form  -fno-fixed-form @gol
 -fdollar-ok  -fimplicit-none  -fmax-identifier-length @gol
 -std=@var{std} -fd-lines-as-code  -fd-lines-as-comments @gol
@@ -124,21 +124,21 @@ by type.  Explanations are in the following sections.
 -fcray-pointer  -fopenmp  -frange-check -fno-backslash }
 
 @item Error and Warning Options
-@xref{Error and Warning Options,,Options to Request or Suppress Errors
-and Warnings}.
+@xref{Error and Warning Options,,Options to request or suppress errors
+and warnings}.
 @gccoptlist{-fmax-errors=@var{n} @gol
 -fsyntax-only  -pedantic  -pedantic-errors @gol
 -w  -Wall  -Waliasing  -Wampersand  -Wcharacter-truncation  -Wconversion @gol
 -Wimplicit-interface  -Wline-truncation  -Wnonstd-intrinsics  -Wsurprising @gol
--Wno-tabs  -Wunderflow  -W}
+-Wno-tabs  -Wunderflow}
 
 @item Debugging Options
-@xref{Debugging Options,,Options for Debugging Your Program or GCC}.
+@xref{Debugging Options,,Options for debugging your program or GNU Fortran}.
 @gccoptlist{-fdump-parse-tree  -ffpe-trap=@var{list} @gol
 -fdump-core -fbacktrace}
 
 @item Directory Options
-@xref{Directory Options,,Options for Directory Search}.
+@xref{Directory Options,,Options for directory search}.
 @gccoptlist{-I@var{dir}  -J@var{dir}  -M@var{dir}  -fintrinsic-modules-path @var{dir}}
 
 @item Link Options
@@ -151,7 +151,7 @@ and Warnings}.
 -fmax-subrecord-length=@var{length}}
 
 @item Code Generation Options
-@xref{Code Gen Options,,Options for Code Generation Conventions}.
+@xref{Code Gen Options,,Options for code generation conventions}.
 @gccoptlist{-fno-automatic  -ff2c  -fno-underscoring
 -fsecond-underscore @gol
 -fbounds-check  -fmax-stack-var-size=@var{n} @gol
@@ -172,7 +172,7 @@ and Warnings}.
 @end menu
 
 @node Fortran Dialect Options
-@section Options Controlling Fortran Dialect
+@section Options controlling Fortran dialect
 @cindex dialect options
 @cindex language, dialect options
 @cindex options, dialect
@@ -320,7 +320,7 @@ standards.
 @end table
 
 @node Error and Warning Options
-@section Options to Request or Suppress Errors and Warnings
+@section Options to request or suppress errors and warnings
 @cindex options, warnings
 @cindex options, errors
 @cindex warnings, suppressing
@@ -388,11 +388,6 @@ This should be used in conjunction with @option{-std=f95} or
 Like @option{-pedantic}, except that errors are produced rather than
 warnings.
 
-@item -w
-@opindex @code{w}
-@cindex warnings, none
-Inhibit all warning messages.
-
 @item -Wall
 @opindex @code{Wall}
 @cindex all warnings
@@ -497,14 +492,6 @@ encountered, which yield an UNDERFLOW during compilation.
 @opindex @code{Werror}
 @cindex warnings, to errors
 Turns all warnings into errors.
-
-@item -W
-@opindex @code{W}
-@cindex warnings, extra
-@cindex extra warnings
-Turns on ``extra warnings'' and, if optimization is specified
-via @option{-O}, the @option{-Wuninitialized} option.
-(This might change in future versions of GNU Fortran.)
 @end table
 
 @xref{Error and Warning Options,,Options to Request or Suppress Errors and
@@ -515,7 +502,7 @@ and other GNU compilers.
 Some of these have no effect when compiling programs written in Fortran.
 
 @node Debugging Options
-@section Options for Debugging Your Program or GNU Fortran
+@section Options for debugging your program or GNU Fortran
 @cindex options, debugging
 @cindex debugging information options
 
@@ -562,7 +549,7 @@ gcc,Using the GNU Compiler Collection (GCC)}, for more information on
 debugging options.
 
 @node Directory Options
-@section Options for Directory Search
+@section Options for directory search
 @cindex directory, options
 @cindex options, directory search
 @cindex search path
@@ -623,7 +610,7 @@ they are not in the default location expected by the compiler.
 @end table
 
 @node Link Options
-@section Influencing the Linking Step
+@section Influencing the linking step
 @cindex options, linking
 @cindex linking, static
 
@@ -642,7 +629,7 @@ configured, this option has no effect.
 
 
 @node Runtime Options
-@section Influencing Runtime Behavior
+@section Influencing runtime behavior
 @cindex options, runtime
 
 These options affect the runtime behavior of programs compiled with GNU Fortran.
@@ -663,10 +650,10 @@ variable override the default specified by @option{-fconvert}.}
 @opindex @code{frecord-marker=}@var{length}
 Specify the length of record markers for unformatted files.
 Valid values for @var{length} are 4 and 8.  Default is 4.
-@emph{This is different from previous versions of gfortran},
+@emph{This is different from previous versions of @command{gfortran}},
 which specified a default record marker length of 8 on most
 systems.  If you want to read or write files compatible
-with earlier versions of gfortran, use @option{-frecord-marker=8}.
+with earlier versions of @command{gfortran}, use @option{-frecord-marker=8}.
 
 @item -fmax-subrecord-length=@var{length}
 @opindex @code{fmax-subrecord-length=}@var{length}
@@ -676,7 +663,7 @@ really useful for use by the gfortran testsuite.
 @end table
 
 @node Code Gen Options
-@section Options for Code Generation Conventions
+@section Options for code generation conventions
 @cindex code generation, conventions
 @cindex options, code generation
 @cindex options, run-time
@@ -883,8 +870,8 @@ enumerator set will fit in, and give all its enumerators this kind.
 
 @item -fexternal-blas
 @opindex @code{fexternal-blas}
-This option will make gfortran generate calls to BLAS functions for some
-matrix operations like @code{MATMUL}, instead of using our own
+This option will make @command{gfortran} generate calls to BLAS functions
+for some matrix operations like @code{MATMUL}, instead of using our own
 algorithms, if the size of the matrices involved is larger than a given
 limit (see @option{-fblas-matmul-limit}).  This may be profitable if an
 optimized vendor BLAS library is available.  The BLAS library will have
@@ -912,7 +899,7 @@ shared by @command{gfortran}, @command{gcc}, and other GNU compilers.
 @c man end
 
 @node Environment Variables
-@section Environment Variables Affecting @command{gfortran}
+@section Environment variables affecting @command{gfortran}
 @cindex environment variable
 
 @c man begin ENVIRONMENT