Add Christoph Schmitz to the credits

lib/CREDITS

@@ -54,6 +54,9 @@
 @bKornel Benko
 @iE-mail: Kornel.Benko () berlin ! de
    CMake build system, Slovak translation, Advanced search with format
+@bLorenzo Bertini
+@iE-mail: lorenzobertini97 () gmail ! com
+   Bug fixes
 @bJacob Bishop
 @iE-mail: bishop.jacob () gmail ! com
    APA 6 Layout
@@ -95,7 +98,7 @@
    Bug fixes
 @bHenry Chern
 @iE-mail: henrychern () yandex ! com
-   Russian Translation of the User Guide
+   Russian Translation of documentation
 @bYuri Chornoivan
 @iE-mail: yurchor () ukr ! net
    Ukrainian translation
@@ -108,12 +111,15 @@
 @bClaudio Coco
 @iE-mail: lacocio () libero ! it
    Italian translation
+@bSam Crawley
+@iE-mail: sam () crawley ! nz
+   Compare-feature fixes
 @bTommaso Cucinotta
 @iE-mail: cucinotta () sssup ! it
    Advanced search feature
 @bThibaut Cuvelier
 @iE-mail: dourouc05 () gmail ! com
-   Windows compatibility patches
+   Windows compatibility patches, DocBook backend
 @bMatthias Kalle Dalheimer
 @iE-mail: kalle () kdab ! net
    Qt2 port
@@ -400,6 +406,9 @@
 @bPablo De Napoli
 @iE-mail: pdenapo () mate ! dm ! uba ! ar
    Math panel dialogs
+@bPhillip Netro
+@iE-mail: hobbes () centurylink ! net
+   Review of Manuals
 @bDirk Niggemann
 @iE-mail: dabn100 () cam ! ac ! uk
    config. handling enhancements, bugfixes, printer enhancements path mingling
@@ -547,6 +556,9 @@
 @bHorst Schirmeier
 @iE-mail: horst () schirmeier ! com
    small fixes
+@bChristoph Schmitz
+@iE-mail: <chr.schmitz () web ! de
+   Contribution to German manuals
 @bHubert Schreier
 @iE-mail: schreier () sc ! edu
    spellchecker (ispell frontend); beautiful document-manager based on the simple table of contents (removed)
@@ -573,7 +585,7 @@
    Indonesian translation
 @bYuriy Skalko
 @iE-mail: yuriy.skalko () gmail ! com
-   Russian translation of the user interface
+   Russian localization and documentation, bug reports and fixes, updating of code
 @bGiovanni Sora
 @iE-mail: g.sora () tiscali ! it
    Interlingua translation

lib/generate_contributions.py

@@ -1836,6 +1836,14 @@ contributors = [
                  "12 January 2008",
                  u"small fixes"),
 
+     contributor(u"Christoph Schmitz",
+                 "<chr.schmitz () web ! de",
+                 "GPL",
+                 "Re: German Translation of \"Additional Features\"",
+                 "m=161899755219050",
+                 "21 April 2021",
+                 u"Contribution to German manuals"),
+
      contributor(u"Hubert Schreier",
                  "schreier () sc ! edu",
                  "",