gnucash-docs: New annotated tag '3.9'

[John Ralls]

        at  https://github.com/Gnucash/gnucash-docs/tree/2b648adf46ab9c11c53d8087b16be8227f233e3e (tag)
   tagging  2c48209c05b28d3c5014549b8400e87405c3e124 (commit)
  replaces  3.8b
 tagged by  John Ralls
        on  Sat Mar 28 14:28:15 2020 -0700


Tag for release of 3.9

Frank H. Ellenberger (16):
      Distinguish 2 "Process Payment" sections
      Distinguish 2 "Process Payment" sections
      Minor improvements on last commit
      L12N:de: Remove redundant leading words in the admonition blocks
      L12N:pt: Remove redundant leading words in the admonition blocks
      L12N:ru: Remove redundant leading words in the admonition blocks
      L12N:ja: Remove redundant leading words in the admonition blocks
      L12N:it: Remove redundant leading words in the admonition blocks
      L12N:de: 1 Tippfehler in Hilfe berichtigt
      In Business Account Setup of A/R and A/P emphase 'for each currency'
      Remove obsolete basics_main[_]win*.{xcf|png} from guide
      Guide: Hotfix of appendix A
      Book options->Trading Accounts: link tutorial
      Add a footnote to the translation paragraph
      L12N:de: Übersetzung der beiden letzten Änderungen
      Merge PR #129 into maint

Geert Janssens (2):
      cmake- build chm file by default on Windows
      Fix comment

John Ralls (5):
      Revert "Distinguish 2 "Process Payment" sections".
      Release Docs for GnuCash 3.8
      Rewrite the translation paragraph, updating it to match the current status.
      Release Documentation for GnuCash 3.9
      Release Documentation for Gnucash 3.9

Stanislav Mekhonoshin (1):
      Fix typo

Xu Xinhang (1):
      Remove redundant leading words in the admonition blocks