[bug #60655] want option for output drivers to suppress comments

[G. Branden Robinson]

Follow-up Comment #2, bug #60655 (project groff):


commit 2a1f6a6c686b009748d8b58dc900958b67263f10
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Sat May 22 20:46:48 2021 +1000

    [grohtml]: Implement -C and -G options.
    
    Add -C and -G options to grohtml output driver, to suppress the output
    of CreationDate and Creator HTML comments, respectively.  These can
    inject unwanted noise into build artifacts.
    
    * src/devices/grohtml/post-html.cpp: Add static globals
      `do_write_creator_comment` and `do_write_date_comment`.
    
      (html_printer::{do_file_components,~html_printer}): Write
      comments per corresponding global variables.
    
      (main): Add to `getopt_long()` call parameter and set as needed.
    
      (usage): Document them.
    
    * src/preproc/html/pre-html.cpp (scanArguments): Add to `getopt_long()`
      parameter, but ignore.
    
    * src/devices/grohtml/grohtml.1.man (Synopsis, Options): Document them.
    
    Fixes 1/3rd of <https://savannah.gnu.org/bugs/index.php?60655>.


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