[gtksourceview] bibtex.lang: add missing bib(la)tex keywords

[Sébastien Wilmet <swilmet src gnome org>]

commit 72ab978da094f27902b8ef8649fb0bb2a553cd30
Author: Schrieveslaach <info schrieveslaach de>
Date:   Tue Jun 13 15:46:02 2017 +0200

    bibtex.lang: add missing bib(la)tex keywords
    
    https://bugzilla.gnome.org/show_bug.cgi?id=762990

 data/language-specs/bibtex.lang |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/data/language-specs/bibtex.lang b/data/language-specs/bibtex.lang
index 537de3b..2e760cf 100644
--- a/data/language-specs/bibtex.lang
+++ b/data/language-specs/bibtex.lang
@@ -50,6 +50,7 @@
       <keyword>manual</keyword>
       <keyword>mastersthesis</keyword>
       <keyword>misc</keyword>
+      <keyword>online</keyword>
       <keyword>phdthesis</keyword>
       <keyword>proceedings</keyword>
       <keyword>report</keyword>
@@ -66,12 +67,16 @@
       <keyword>doi</keyword>
       <keyword>edition</keyword>
       <keyword>editor</keyword>
+      <keyword>eprint</keyword>
+      <keyword>eprinttype</keyword>
       <keyword>howpublished</keyword>
       <keyword>institution</keyword>
       <keyword>isbn</keyword>
       <keyword>issn</keyword>
       <keyword>journal</keyword>
       <keyword>key</keyword>
+      <keyword>keywords</keyword>
+      <keyword>language</keyword>
       <keyword>location</keyword>
       <keyword>month</keyword>
       <keyword>note</keyword>
@@ -86,6 +91,7 @@
       <keyword>title</keyword>
       <keyword>type</keyword>
       <keyword>url</keyword>
+      <keyword>urldate</keyword>
       <keyword>volume</keyword>
       <keyword>year</keyword>
     </context>