Bump version to v0.7; Update changelog

doc/ox-hugo-manual.org

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-#+MACRO: bfissue Blackfriday # [[https://github.com/russross/blackfriday/issues/$1][$1]]
+#+MACRO: bfissue Blackfriday #[[https://github.com/russross/blackfriday/issues/$1][$1]]
 #+MACRO: ox-hugo-test-file  [[https://raw.githubusercontent.com/kaushalmodi/ox-hugo/master/test/site/content-org/all-posts.org][=all-posts.org=]]
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 * Changelog
 :PROPERTIES:
 :CUSTOM_ID: changelog
 :END:
+** COMMENT v
+*** Features
+*** Backward-incompatible changes
+*** Fixes
+*** Meta
+** v0.7 <2017-12-18 Mon>
+*** Features
+- *Now C-c C-e H H works for both per-subtree and per-file flows* --
+  {{{commit(b1b5d28b)}}}.
+- Support Org heading based internal links -- {{{issue(88)}}}.
+- Support list values for custom front-matter variables --
+  {{{issue(99)}}}.
+- Support specifying multiple [[https://gohugo.io/templates/output-formats/][hugo output formats]] .. Now the =outputs=
+  front-matter variable is a list.
+- Support the Org =#+AUTHOR= and =#+CREATOR= keywords and their
+  respective Org Export Options -- {{{issue(106)}}}.
+- Support Org Export Snippets and Export Blocks --
+  {{{commit(1149f20cd)}}}.
+- Now post titles can be set to =nil= i.e. be not be a part of the
+  front-matter .. /because you can/.
+- Improve the messages printed by =ox-hugo= on doing per-subtree or
+  per-file exports.. the progress of files exported using per-subtree
+  flow is now clearer, and the name of the file exported using
+  per-file flow is now explicit.. Helps when you batch export a dozen
+  files with a mix of these 2 flows.
+*** Backward-incompatible changes
+- Obsolete /org-hugo-export-subtree-\ast{}/ functions and replace them with
+  /org-hugo-export-wim-\ast{}/ (What I Mean) functions. See the doc string
+  of =org-hugo-export-wim-to-md= for details.
+
+  If you are using the [[https://ox-hugo.scripter.co/doc/auto-export-on-saving/][Auto-export on saving]] flow, note the function
+  name change there too!
+*** Fixes
+- Fix number of backticks in code fence when code contains code fence
+  (/pathological corner case/).
+- Better document the =HUGO_CODE_FENCE= keyword -- {{{issue(102)}}}.
+- Don't render =(c)=, =(r)=, =(tm)= inside Latex equations --
+  {{{issue(104)}}} (/Upstream bug workaround/).
+- Better recognition of TOML-compatible integers and floats in meta
+  data for front-matter so that valid integers/floats don't get
+  unnecessarily double-quoted.
+*** Meta
+- Add a [[https://github.com/kaushalmodi/ox-hugo/blob/master/test/site/themes/bare_min/layouts/partials/debugprint.html][=debugprint.html=]] partial to help pretty-print various Hugo
+  objects like Page Params, File and SiteInfo for debug on the test
+  site.
+- The test site now has [[https://ox-hugo.scripter.co/test/tags/][tags]] and [[https://ox-hugo.scripter.co/test/categories/][categories]] pages.
+- Add few real world example posts containing complex Latex equations:
+  [[https://ox-hugo.scripter.co/test/real-examples/multifractals-in-ecology-using-r/][1]], [[https://ox-hugo.scripter.co/test/real-examples/nn-intro/][2]].
+- Turns out =ox-hugo= works on emacs 24.4 too (/but please upgrade
+  to the latest Emacs and Org stable versions!/).
 ** v0.6 <2017-11-09 Thu>
 *** Features
 - Support the =num= export option. Now you can prefix all post
   headings (or some not.. the ones with =UNNUMBERED= property set to
-  =t=) with their section numbers --- {{{issue(76)}}}.
+  =t=) with their section numbers -- {{{issue(76)}}}.
 - Org TOC's are now exported as unordered Markdown lists. This allows
   having TOC's with unnumbered headings too! This also enables
   prefixing the section headings with their full section numbers, and

ox-hugo.el

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 ;; URL: https://ox-hugo.scripter.co
 ;; Package-Requires: ((emacs "24.4") (org "9.0"))
 ;; Keywords: Org, markdown, docs
-;; Version: 0.6
+;; Version: 0.7
 
 ;;; Commentary: