gfortran.texi: Cleaned up keyword index.

2007-04-29  Daniel Franke  <franke.daniel@gmail.com>

        * gfortran.texi: Cleaned up keyword index.
        * invoke.texi: Likewise.
        * intrinsic.texi: Likewise.

From-SVN: r124275

gcc/fortran/ChangeLog

+2007-04-29  Daniel Franke  <franke.daniel@gmail.com>
+
+	* gfortran.texi: Cleaned up keyword index.
+	* invoke.texi: Likewise.
+	* intrinsic.texi: Likewise.
+			
 2007-04-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
 
 	PR fortran/31645

gcc/fortran/gfortran.texi

@@ -388,14 +388,14 @@ Fortran compiler.
 @node GNU Fortran and G77
 @section GNU Fortran and G77
 @cindex Fortran 77
-@cindex G77
+@cindex @command{g77}
 
-The GNU Fortran compiler is the successor to G77, the Fortran 77 front
-end included in GCC prior to version 4.  It is an entirely new program
-that has been designed to provide Fortran 95 support and extensibility
-for future Fortran language standards, as well as providing backwards
-compatibility for Fortran 77 and nearly all of the GNU language 
-extensions supported by G77.
+The GNU Fortran compiler is the successor to @command{g77}, the Fortran 
+77 front end included in GCC prior to version 4.  It is an entirely new 
+program that has been designed to provide Fortran 95 support and 
+extensibility for future Fortran language standards, as well as providing 
+backwards compatibility for Fortran 77 and nearly all of the GNU language 
+extensions supported by @command{g77}.
 
 
 @c ---------------------------------------------------------------------
@@ -499,7 +499,7 @@ ISO/IEC 1539-1:2004 (Fortran 2003).
 
 @node Runtime
 @chapter Runtime:  Influencing runtime behavior with environment variables
-@cindex Runtime
+@cindex environment variable
 
 The behavior of the @command{gfortran} can be influenced by
 environment variables.
@@ -695,13 +695,14 @@ Intrinsics @code{command_argument_count}, @code{get_command},
 @code{move_alloc}.
 
 @item 
-@cindex Array constructors
+@cindex array, constructors
 @cindex @code{[...]}
 Array constructors using square brackets. That is, @code{[...]} rather
 than @code{(/.../)}.
 
 @item
 @cindex @code{FLUSH} statement
+@cindex statement, @code{FLUSH}
 @code{FLUSH} statement.
 
 @item
@@ -711,6 +712,8 @@ than @code{(/.../)}.
 @item
 @cindex @code{ENUM} statement
 @cindex @code{ENUMERATOR} statement
+@cindex statement, @code{ENUM}
+@cindex statement, @code{ENUMERATOR}
 @opindex @code{fshort-enums}
 Support for the declaration of enumeration constants via the
 @code{ENUM} and @code{ENUMERATOR} statements.  Interoperability with
@@ -742,25 +745,31 @@ allowing I/O without any record structure.
 Namelist input/output for internal files.
 
 @item
-@cindex @code{PROTECTED}
+@cindex @code{PROTECTED} statement
+@cindex statement, @code{PROTECTED}
 The @code{PROTECTED} statement and attribute.
 
 @item
-@cindex @code{VALUE}
+@cindex @code{VALUE} statement
+@cindex statement, @code{VALUE}
 The @code{VALUE} statement and attribute.
 
 @item
-@cindex @code{VOLATILE}
+@cindex @code{VOLATILE} statement
+@cindex statement, @code{VOLATILE}
 The @code{VOLATILE} statement and attribute.
 
 @item
-@cindex @code{IMPORT}
+@cindex @code{IMPORT} statement
+@cindex statement, @code{IMPORT}
 The @code{IMPORT} statement, allowing to import
 host-associated derived types.
 
 @item
-@cindex @code{USE, INTRINSIC}
-@cindex @code{ISO_FORTRAN_ENV}
+@cindex @code{USE, INTRINSIC} statement
+@cindex statement, @code{USE, INTRINSIC}
+@cindex @code{ISO_FORTRAN_ENV} statement
+@cindex statement, @code{ISO_FORTRAN_ENV}
 @code{USE} statement with @code{INTRINSIC} and @code{NON_INTRINSIC}
 attribute; supported intrinsic modules: @code{ISO_FORTRAN_ENV},
 @code{OMP_LIB} and @code{OMP_LIB_KINDS}.
@@ -814,7 +823,7 @@ of extensions, and @option{-std=legacy} allows both without warning.
 
 @node Old-style kind specifications
 @section Old-style kind specifications
-@cindex Kind specifications
+@cindex kind, old-style
 
 GNU Fortran allows old-style kind specifications in declarations. These
 look like:
@@ -838,7 +847,6 @@ where @code{k} is equal to @code{size} for most types, but is equal to
 
 @node Old-style variable initialization
 @section Old-style variable initialization
-@cindex Initialization
 
 GNU Fortran allows old-style initialization of variables of the
 form:
@@ -942,7 +950,6 @@ elements will be given the values 1.00 and 2.00.
 
 @node X format descriptor without count field
 @section @code{X} format descriptor without count field
-@cindex @code{X} format descriptor without count field
 
 To support legacy codes, GNU Fortran permits the count field of the
 @code{X} edit descriptor in @code{FORMAT} statements to be omitted.
@@ -955,7 +962,6 @@ When omitted, the count is implicitly assumed to be one.
 
 @node Commas in FORMAT specifications
 @section Commas in @code{FORMAT} specifications
-@cindex Commas in @code{FORMAT} specifications
 
 To support legacy codes, GNU Fortran allows the comma separator
 to be omitted immediately before and after character string edit
@@ -969,7 +975,6 @@ descriptors in @code{FORMAT} statements.
 
 @node Missing period in FORMAT specifications
 @section Missing period in @code{FORMAT} specifications
-@cindex Missing period in @code{FORMAT} specifications
 
 To support legacy codes, GNU Fortran allows missing periods in format
 specifications if and only if @option{-std=legacy} is given on the
@@ -1021,14 +1026,14 @@ integers in this manner.
 
 @node Real array indices
 @section Real array indices
-@cindex Real array indices
+@cindex array, indices of type real
 
 As an extension, GNU Fortran allows the use of @code{REAL} expressions
 or variables as array indices.
 
 @node Unary operators
 @section Unary operators
-@cindex Unary operators
+@cindex operators, unary
 
 As an extension, GNU Fortran allows unary plus and unary minus operators
 to appear as the second operand of binary arithmetic operators without
@@ -1040,7 +1045,8 @@ the need for parenthesis.
 
 @node Implicitly convert LOGICAL and INTEGER values
 @section Implicitly convert @code{LOGICAL} and @code{INTEGER} values
-@cindex Implicitly convert @code{LOGICAL} and @code{INTEGER} values
+@cindex conversion, to integer
+@cindex conversion, to logical
 
 As an extension for backwards compatibility with other compilers, GNU
 Fortran allows the implicit conversion of @code{LOGICAL} values to
@@ -1099,7 +1105,7 @@ obtained by using the @code{TRANSFER} statement, as in this example.
 
 @node Cray pointers
 @section Cray pointers
-@cindex Cray pointers
+@cindex pointer, cray
 
 Cray pointers are part of a non-standard extension that provides a
 C-like pointer in Fortran.  This is accomplished through a pair of
@@ -1292,7 +1298,10 @@ OpenMP Application Program Interface v2.5} specification.
 
 @node Argument list functions
 @section Argument list functions %VAL, %REF and %LOC
-@cindex Argument list functions %VAL, %REF and %LOC
+@cindex argument list functions
+@cindex %VAL
+@cindex %REF
+@cindex %LOC
 
 GNU Fortran supports argument list functions @code{%VAL}, @code{%REF} 
 and @code{%LOC} statements, for backward compatibility with g77. 
@@ -1582,7 +1591,7 @@ Environment variable forcing standard output to be line buffered (unix).
 @c ---------------------------------------------------------------------
 
 @node Option Index
-@unnumbered Index of command line options
+@unnumbered Option Index
 @command{gfortran}'s command line options are indexed here without any
 initial @samp{-} or @samp{--}. Where an option has both positive and
 negative forms (such as -foption and -fno-option), relevant entries in
@@ -1591,7 +1600,7 @@ be useful to look up both forms.
 @printindex op
 
 @node Keyword Index
-@unnumbered Index of concepts
+@unnumbered Keyword Index
 @printindex cp
 
 @bye

gcc/fortran/invoke.texi

@@ -75,7 +75,6 @@ on the non-Fortran-specific aspects of the @command{gcc} command (and,
 therefore, the @command{gfortran} command).
 
 @cindex options, negative forms
-@cindex negative forms of options
 All GCC and GNU Fortran options
 are accepted both by @command{gfortran} and by @command{gcc}
 (as well as any other drivers built at the same time,
@@ -181,11 +180,8 @@ accepted by the compiler:
 @opindex @code{ffree-form}
 @opindex @code{fno-fixed-form}
 @cindex options, fortran dialect
-@cindex source file format
-@cindex free form
-@cindex fixed form
-@cindex Source Form
-@cindex Fortran 90, features
+@cindex file format, free
+@cindex file format, fixed
 Specify the layout used by the source file.  The free form layout
 was introduced in Fortran 90.  Fixed form was traditionally used in
 older Fortran programs.  When neither option is specified, the source
@@ -224,7 +220,7 @@ Do nothing if this is already the default.
 
 @item -fdollar-ok
 @opindex @code{fdollar-ok}
-@cindex dollar sign
+@cindex $
 @cindex symbol names
 @cindex character set
 Allow @samp{$} as a valid character in a symbol name.
@@ -238,12 +234,7 @@ Change the interpretation of backslashes in string literals from
 
 @item -ffixed-line-length-@var{n}
 @opindex @code{ffixed-line-length-}@var{n}
-@cindex source file format
-@cindex lines, length
-@cindex length of source lines
-@cindex limits, lengths of source lines
-@cindex card image
-@cindex extended-source option
+@cindex file format, fixed
 Set column after which characters are ignored in typical fixed-form
 lines in the source file, and through which spaces are assumed (as
 if padded to that length) after the ends of short fixed-form lines.
@@ -259,10 +250,7 @@ to them to fill out the line.
 
 @item -ffree-line-length-@var{n}
 @opindex @code{ffree-line-length-}@var{n}
-@cindex source file format
-@cindex lines, length
-@cindex length of source lines
-@cindex limits, lengths of source lines
+@cindex file format, free
 Set column after which characters are ignored in typical free-form
 lines in the source file. The default value is 132.
 @var{n} may be @samp{none}, meaning that the entire line is meaningful.
@@ -434,7 +422,7 @@ The following example will trigger the warning.
 @item -Wampersand
 @opindex @code{Wampersand}
 @cindex warnings, ampersand
-@cindex ampersand
+@cindex &
 Warn about missing ampersand in continued character constants. The warning is
 given with @option{-Wampersand}, @option{-pedantic}, @option{-std=f95}, and
 @option{-std=f2003}. Note: With no ampersand given in a continued character
@@ -485,7 +473,7 @@ A LOGICAL SELECT construct has three CASE statements.
 @item -Wtabs
 @opindex @code{Wtabs}
 @cindex warnings, tabs
-@cindex tabs
+@cindex tabulators
 By default, tabs are accepted as whitespace, but tabs are not members
 of the Fortran Character Set.  @option{-Wno-tabs} will cause a warning
 to be issued if a tab is encountered. Note, @option{-Wno-tabs} is active
@@ -556,8 +544,8 @@ library should output a backtrace of the error.  This option
 only has influence for compilation of the Fortran main program.
 
 @item -fdump-core
-@cindex core
-@cindex @code{fdump-core}
+@cindex core, dump
+@opindex @code{fdump-core}
 Request that a core-dump file is written to disk when a runtime error
 is encountered on systems that support core dumps. This option is
 only effective for the compilation of the Fortran main program.
@@ -630,7 +618,7 @@ they are not in the default location expected by the compiler.
 
 @node Runtime Options
 @section Influencing runtime behavior
-@cindex runtime, options
+@cindex options, runtime
 
 These options affect the runtime behavior of programs compiled with GNU Fortran.
 @table @gcctabopt
@@ -666,7 +654,7 @@ really useful for use by the gfortran testsuite.
 @section Options for Code Generation Conventions
 @cindex code generation, conventions
 @cindex options, code generation
-@cindex run-time, options
+@cindex options, run-time
 
 These machine-independent options control the interface conventions
 used in code generation.
@@ -680,15 +668,15 @@ it.
 @table @gcctabopt
 @item -fno-automatic
 @opindex @code{fno-automatic}
-@cindex SAVE statement
-@cindex statements, SAVE
+@cindex @code{SAVE} statement
+@cindex statement, @code{SAVE}
 Treat each program unit as if the @code{SAVE} statement was specified for
 every local variable and array referenced in it. Does not affect common
 blocks. (Some Fortran compilers provide this option under the name
 @option{-static}.)
 
 @item -ff2c
-@opindex @code{ff2c}
+@opindex ff2c
 @cindex calling convention
 @cindex @command{f2c} calling convention
 @cindex @command{g77} calling convention
@@ -818,9 +806,9 @@ by use of the @option{-ff2c} option.
 
 @item -fbounds-check
 @opindex @code{fbounds-check}
+@cindex array, bounds checking
 @cindex bounds checking
 @cindex range checking
-@cindex array bounds checking
 @cindex subscript checking
 @cindex checking subscripts
 Enable generation of run-time checks for array subscripts
@@ -900,7 +888,7 @@ shared by @command{gfortran}, @command{gcc}, and other GNU compilers.
 
 @node Environment Variables
 @section Environment Variables Affecting @command{gfortran}
-@cindex environment variables
+@cindex environment variable
 
 @c man begin ENVIRONMENT