chore(letter): use DejaVu Sans Mono as tt font in letters for readability

config/settings.yml

@@ -25,8 +25,8 @@ mail-from:
 mail-object-domain: "_env:MAILOBJECT_DOMAIN:localhost"
 mail-use-replyto-instead-sender: "_env:MAIL_USES_REPLYTO:true"
 #mail-reroute-to: 
-#  name:         "_env:MAIL_REROUTE_TO_NAME:"
-#  email:        "_env:MAIL_REROUTE_TO_EMAL:"
+#  name:         "_env:MAIL_REROUTE_TO_NAME:Steffen Jost"
+#  email:        "_env:MAIL_REROUTE_TO_EMAL:jost@tcs.ifi.lmu.de"
 #mail-verp:
 #  separator:    "_env:VERP_SEPARATOR:+"
 #  prefix:       "_env:VERP_PREFIX:bounce"

nix/docker/default.nix

@@ -35,7 +35,7 @@ let
       (texlive.combine {        
           inherit (texlive) scheme-basic 
             babel-german babel-english booktabs textpos
-            enumitem eurosym koma-script parskip xcolor 
+            enumitem eurosym koma-script parskip xcolor dejavu
             # required fro LuaTeX 
             luatexbase lualatex-math unicode-math selnolig
             ;

shell.nix

@@ -87,7 +87,7 @@ in pkgs.mkShell {
         (texlive.combine {
           inherit (texlive) scheme-basic
             babel-german babel-english booktabs textpos
-            enumitem eurosym koma-script parskip xcolor
+            enumitem eurosym koma-script parskip xcolor dejavu
             # required fro LuaTeX
             luatexbase lualatex-math unicode-math selnolig
             ;

src/Utils/Form.hs

@@ -848,13 +848,24 @@ cfCI :: (Functor m, CI.FoldCase s) => Field m s -> Field m (CI s)
 cfCI = convertField CI.mk CI.original
 
 cfCommaSeparatedSet :: (Functor m) => Field m Text -> Field m (Set Text)
-cfCommaSeparatedSet = guardField (not . Set.null) . convertField (Set.fromList . mapMaybe (assertM' (not . T.null) . T.strip) . T.splitOn ",") (T.intercalate ", " . Set.toList)
+cfCommaSeparatedSet = guardField (not . Set.null) . convertField (Set.fromList . mapMaybe (assertM' (not . T.null) . T.strip) . T.split (==',')) (T.intercalate ", " . Set.toList)
 
 cfAnySeparatedSet :: (Functor m) => Field m Text -> Field m (Set Text)
 cfAnySeparatedSet = guardField (not . Set.null) . convertField (Set.fromList . mapMaybe (assertM' (not . T.null) . T.strip) . T.split anySeparator) (T.intercalate ", " . Set.toList)
   where anySeparator :: Char -> Bool
         anySeparator c = C.isSeparator c || c == ',' || c == ';'
 
+-- cfAnySeparatedSet :: (Functor m) => Field m Text -> Field m (Set Text)
+-- cfAnySeparatedSet = guardField (not . Set.null) . convertField (Set.fromList . mapMaybe (assertM' (not . T.null) . T.strip) . splitConditionally) (T.intercalate "; " . Set.toList)
+--   where splitConditionally :: Text -> [Text]
+--         splitConditionally t 
+--           | ';' `telem` t = T.split (==';') t
+--           | ',' `telem` t = T.split (==',') t
+--           | otherwise  = T.split C.isSeparator t 
+--         -- Our version of Data.Text does not yet support T.elem
+--         telem :: Char -> Text -> Bool
+--         telem c = T.any (==c)
+
 -- -- TODO: consider using package ordered-containers?
 -- cfAnySeparatedList :: (Functor m) => Field m Text -> Field m [Text]
 -- cfAnySeparatedList = guardField (not . null) . convertField (mapMaybe (assertM' (not . T.null) . T.strip) . T.split anySeparator) (T.intercalate ", ")

templates/letter/din5008.latex

@@ -61,7 +61,13 @@ $endif$
   \usepackage[$if(fontenc)$$fontenc$$else$T1$endif$]{fontenc}
   \usepackage[utf8]{inputenc}
   \usepackage{textcomp} % provide euro and other symbols
-\else % if luatex or xetex
+  \usepackage{DejaVuSansMono} % better monofont
+\else 
+  % if luatex or xetex
+  \usepackage{fontspec}
+  \setmonofont{DejaVu Sans Mono}
+\fi 
+
 $if(mathspec)$
   \ifXeTeX
     \usepackage{mathspec}