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Vi question for writing source code

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# 8  
Old 07-22-2010
Hi.

Not exactly all or none, but one needs to do a little research. In looking through: Vim documentation: syntax
navigating to the description of the Fortran syntax file and (vim) commands, it is noted that TABs are considered by vim syntax to be an error, and hence are in red.

You can eliminate that feature by entering
Code:
:let fortran_have_tabs=1

before entering
Code:
:syntax on

I tried that and it worked for me, in the environment noted in a previous post.

If that tests correctly for you, you can probably automate that to some extent by modifying your .vimrc (note the leading dot) file. I did not try that.

Have fun experimenting, researching, and programming ... cheers, drl
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LEARN ABOUT HPUX

tabs

tabs(1) 						      General Commands Manual							   tabs(1)

NAME

       tabs - set tabs on a terminal

SYNOPSIS

       [tabspec] n] type]

DESCRIPTION

       sets  the  tab  stops  on the user's terminal according to the tab specification tabspec, after clearing any previous settings.	The user's
       terminal must have remotely-settable hardware tabs.

       If you are using a non-HP terminal, you should keep in mind that behavior will vary for some tab settings.

       Four types of tab specification are accepted for tabspec: ``canned'', repetitive, arbitrary, and file.  If no is given, the  default  value
       is  i.e.,  UNIX ``standard'' tabs.  The lowest column number is 1.  Note that for tabs, column 1 always refers to the left-most column on a
       terminal, even one whose column markers begin at 0.

       Gives the name of one of a set of ``canned'' tabs.
	       Recognized codes and their meanings are as follows:

		     1,10,16,36,72
			   Assembler, IBM S/370, first format

		     1,10,16,40,72
			   Assembler, IBM S/370, second format

		     1,8,12,16,20,55
			   COBOL, normal format

		     1,6,10,14,49
			   COBOL compact format (columns 1-6 omitted).	Using this code, the first typed character corresponds to card	column	7,
			   one	space  gets you to column 8, and a tab reaches column 12.  Files using this tab setup should have specify a format
			   specification file as defined by below.  The file should have the following format specification:

		     1,6,10,14,18,22,26,30,34,38,42,46,50,54,58,62,67
			   COBOL compact format (columns 1-6 omitted), with more tabs than This is the recommended format for COBOL.   The  appro-
			   priate format specification is:

		     1,7,11,15,19,23
			   FORTRAN

		     1,5,9,13,17,21,25,29,33,37,41,45,49,53,57,61
			   PL/I

		     1,10,55
			   SNOBOL

		     1,12,20,44
			   UNIVAC 1100 Assembler

       In addition to these ``canned'' formats, three other types exist:

       A repetitive specification requests tabs at columns
		   1+n,  1+2xn,  etc.	Of  particular	importance is the value this represents the UNIX ``standard'' tab setting, and is the most
		   likely tab setting to be found at a terminal.  Another special case is the value implying no tabs at all.

       The arbitrary format permits the user to type any
		   chosen set of numbers, separated by commas, in ascending order.  Up to 40 numbers are allowed.  If any number (except the first
		   one) is preceded by a plus sign, it is taken as an increment to be added to the previous value.  Thus, the tab lists 1,10,20,30
		   and 1,10,+10,+10 are considered identical.

       If the name of a file is given,
		   reads the first line of the file, searching for a format specification.  If it finds one there, it sets the tab stops according
		   to  it,  otherwise  it sets them as This type of specification can be used to ensure that a tabbed file is printed with correct
		   tab settings, and is suitable for use with the command (see pr(1)):

       Any of the following can be used also; if a given option occurs more than once, the last value given takes effect:

       usually needs to know the type of terminal in order to set tabs
		   and always needs to know the type to set margins.  type is a name listed in term(5).  If no option is  supplied,  searches  for
		   the	value in the environment (see environ(5)).  If is not defined in the environment, tries a sequence that will work for many
		   terminals.

       The margin argument can be used for some terminals.
		   It causes all tabs to be moved over n columns by making column n+1 the left margin.	If is given without  a	value  of  n,  the
		   value  assumed  is  10.   The normal (left-most) margin on most terminals is obtained by The margin for most terminals is reset
		   only when the option is given explicitly.

       Tab and margin setting is performed via the standard output.

EXTERNAL INFLUENCES

   Environment Variables
       determines the interpretation of text within file as single- and/or multi-byte characters.

       determines the language in which messages are displayed.

       If or is not specified in the environment or is set to the empty string, the value of is used as a default for each  unspecified  or  empty
       variable.  If is not specified or is set to the empty string, a default of "C" (see lang(5)) is used instead of

       If  any	internationalization  variable	contains an invalid setting, behaves as if all internationalization variables are set to "C".  See
       environ(5).

   International Code Set Support
       Single- and multi-byte character code sets are supported.

DIAGNOSTICS

       Arbitrary tabs are ordered incorrectly.

       A zero or missing increment found in an arbitrary specification.

       A ``canned'' code cannot be found.

       option was used and file cannot be opened.

       option was used and the specification in that file
	      points to yet another file.  Indirection of this form is not permitted.

WARNINGS

       There is no consistency among different terminals regarding ways of clearing tabs and setting the left margin.

       It is generally impossible to usefully change the left margin without also setting tabs.

       clears only 20 tabs (on terminals requiring a long sequence), but is willing to set 64.

SEE ALSO

       nroff(1), pr(1), tset(1), environ(5), term(5).

STANDARDS CONFORMANCE

																	   tabs(1)