LaTeXML: Update to 0.8.3

Also add size to checksums, group checksums with version, fix double
slash in master_sites, add GitHub handle to maintainer, and remove
extraneous comments.

Closes: https://trac.macports.org/ticket/56948

tex/LaTeXML/Portfile

@@ -1,15 +1,16 @@
 # -*- coding: utf-8; mode: tcl; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; truncate-lines: t -*- vim:fenc=utf-8:et:sw=4:ts=4:sts=4
-#======================================================================
-# Portfile for LaTeXML
-#======================================================================
+
 PortSystem          1.0
 PortGroup           texlive 1.0
 
 name                LaTeXML
-version             0.8.2
-revision            1
+version             0.8.3
+checksums           rmd160  27cd0fa18dbb99daf524a57128183c4df7cf3f01 \
+                    sha256  28a57369b65b85d09c1a2516e69d26bbbe102ab790cae5e2fc9709b26185f62f \
+                    size    10704659
+
 license             public-domain
-maintainers         nist.gov:bruce.miller
+maintainers         {nist.gov:bruce.miller @brucemiller}
 description         LaTeXML converts TeX to XML/HTML/MathML
 long_description \
    LaTeXML converts TeX to XML, including HTML, XHTML, ePub with MathML.
@@ -22,19 +23,11 @@ perl5.link_binaries_suffix
 
 categories          tex
 homepage            http://dlmf.nist.gov/LaTeXML/
+master_sites        ${homepage}releases/
 
 platforms           darwin
 supported_archs     noarch
 
-master_sites        ${homepage}/releases/
-checksums           rmd160 6dbf960277cdcf30605ce93335e3383673c1ff66 \
-                    sha256 3d41a3012760d31d721b569d8c1b430cde1df2b68fcc3c66f41ec640965caabf
-# Use:
-# openssl rmd160 LaTeXML-0.8.2.tar.gz
-# openssl sha256 LaTeXML-0.8.2.tar.gz
-
-#============================================================
-# Dependencies
 depends_lib-append \
         port:p${perl5.major}-archive-zip \
         port:p${perl5.major}-file-which \
@@ -131,5 +124,3 @@ if {! ${latexml.found_tex}} {
     notes "${name} works best with some version of TeX installed.
         Please consider installing texlive, or PRE-install MacTeX and use the +mactex variant."
 }
-
-#============================================================