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       hxincl - expand included HTML or XML files


       hxincl  [ -x ] [ -f ] [ -s name=subst ] [ -s name=subst ]...  [ -b base
       ] [ file-or-URL ]


       The hxincl command copies an HTML  or  XML  file  to  standard  output,
       looking  for  comments  with  a  certain  structure.  Such a comment is
       replaced by the file whose name  is  given  as  the  attribute  of  the
       directive. For example:

           ...<!-- include "foo.html" -->...

       will  be replaced by the content of the file foo.html.  It is important
       to note that you must quote filenames if they contain white space.

       The comment is replaced by

           <!-- begin-include "foo.html" -->

       before the included text and

           <!-- end-include "foo.html" -->

       after it. These  comments  make  it  possible  to  run  hxincl  on  the
       resulting file again to update the inclusions.

       Single  quotes  are  allowed  instead of double quotes. And if the file
       name contains no spaces, the quotes may also be omitted.


       The following options are supported:

       -x        Use XML conventions: empty elements are written with a  slash
                 at the end: <IMG />.

       -b base   Sets the base URL for resolving relative URLs. By default the
                 file given as argument is the base URL.

       -f        Removes the comments after including the  files.  This  means
                 hxincl  connot  be  run on the resulting file later to update
                 the inclusions.  (Mnemonic: final or frozen.)

       -s name=substitution
                 Include a different  file  than  the  one  mentioned  in  the
                 directive. If the comment is

                     <!-- include "name" -->

                 the  file substitution is included instead. The option -s may
                 occur multiple times.


       The following operand is supported:

                 The name of an HTML or XML file or the URL of one. If absent,
                 standard input is read instead.


       The following exit values are returned:

       0         Successful completion.

       > 0       An  error  occurred  in the parsing of one of the HTML or XML


       asc2xml(1), hxnormalize(1), hxnum(1), hxprune(1), hxtoc(1), hxunent(1),
       xml2asc(1), UTF-8 (RFC 2279)


       Assumes UTF-8 as input. Doesn’t expand character entities. Instead pipe
       the input through hxunent(1) and asc2xml(1) to convert it to UTF-8.