cooking-units (31aug16)

git-svn-id: svn://tug.org/texlive/trunk@41963 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 1373 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/cooking-units/cooking-units.sty b/Master/texmf-dist/tex/latex/cooking-units/cooking-units.sty
new file mode 100644
index 00000000000..af9dbde6fbf
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/cooking-units/cooking-units.sty
@@ -0,0 +1,1373 @@
+%%
+%% This is file `cooking-units.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% cooking-units.dtx  (with options: `package')
+%% Copyright (C) 2016 by Ben Vitecek (current Maintainer)
+%% 
+%% This file may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either
+%% version 1.3 of this license or (at your option) any later
+%% version. The latest version of this license is in:
+%% 
+%% http://www.latex-project.org/lppl.txt
+%% 
+%% and version 1.3c or later is part of all distributions of
+%% LaTeX version 2008-05-04 or later.
+%% 
+%% This work has the LPPL maintenance status `maintained'.
+%% 
+%% This work consists of the files README, cooking-units.dtx and cooking-units.ins
+%% and the derived file cooking-units.sty.
+%% 
+\@ifpackageloaded {xparse}
+  { }
+  { \RequirePackage {xparse} }
+\@ifpackageloaded {expl3}
+  { }
+  { \RequirePackage {expl3} }
+\ProvidesExplPackage
+  {cooking-units}
+  {2016/08/31}
+  {1.00}
+  {Ein Paket fuer Kocheinheiten}
+\@ifpackagelater { expl3 } { 2016/05/18 }
+  { }
+  {
+    \PackageError { cooking-units } { Support~package~expl3~too~old }
+      {
+        You~need~to~update~your~installation~of~the~bundles~'l3kernel'~and~
+        'l3packages'.\MessageBreak
+        Loading~cooking-units~will~abort!
+      }
+    \tex_endinput:D
+  }
+\@ifpackageloaded { translator } { } { \RequirePackage { translator } }
+\@ifpackageloaded { xfrac } { } { \RequirePackage { xfrac } }
+\@ifpackageloaded { l3keys2e } { } { \RequirePackage { l3keys2e } }
+\bool_new:N \g__cooking_units_load_if_opt_numeral_bool
+\keys_define:nn { cooking-units }
+  {
+    use-numerals .bool_gset:N = \g__cooking_units_load_if_opt_numeral_bool ,
+    use-numerals .default:n = { false },
+  }
+\ProcessKeysOptions { cooking-units }
+\bool_if:NT \g__cooking_units_load_if_opt_numeral_bool
+  {
+    \@ifpackageloaded { fmtcount } { } { \RequirePackage { fmtcount } }
+  }
+\keys_define:nn { cooking-units }
+  {
+    use-numerals .code:n = \msg_error:nnn { cooking-units } { load-time-option } { fmtcount } ,
+  }
+\cs_generate_variant:Nn \tl_replace_all:Nnn { NVn }
+\cs_generate_variant:Nn \tl_replace_once:Nnn { NnV, NVn }
+\cs_generate_variant:Nn \tl_if_in:nnT { nVT }
+\cs_generate_variant:Nn \tl_if_in:NnT { NVT }
+\cs_generate_variant:Nn \fp_compare:nNnT { cNnT }
+\cs_generate_variant:Nn \fp_eval:n { c }
+\cs_new_eq:NN \__cooking_units_frac:nn \sfrac
+\prop_new:N \l__cooking_units_change_unit_prop
+\tl_new:N \l__cooking_units_tmpa_tl
+\tl_new:N \l__cooking_units_tmpb_tl
+\tl_new:N \l__cooking_units_mixed_fraction_tl
+\tl_new:N \l__cooking_units_tmp_unit_tl
+\tl_new:N \l__cooking_units_option_unit_tl
+\tl_new:N \l__cooking_units_language_tl
+\tl_new:N \l__cooking_units_cunum_range_sign_tl
+\tl_new:N \l__cooking_units_cutext_range_sign_tl
+\tl_new:N \l__cooking_units_value_unit_space_tl
+\tl_new:N \l__cooking_units_input_digits_tl
+\tl_new:N \l__cooking_units_decimal_mark_tl
+\tl_new:N \l__cooking_units_value_signs_tl
+\tl_new:N \l__cooking_units_allowed_special_signs_tl
+\tl_new:N \c__cooking_units_str_hash_one_tl
+\tl_new:N \l__cooking_units_input_range_sign_tl
+\tl_set:Nn \l__cooking_units_cunum_range_sign_tl { -- }
+\tl_set:Nn \l__cooking_units_cutext_range_sign_tl { -- }
+\tl_set:Nn \l__cooking_units_value_unit_space_tl { \thinspace }
+\tl_set:Nn \l__cooking_units_input_digits_tl { 0123456789 }
+\tl_set:Nn \l__cooking_units_decimal_mark_tl { . , }
+\tl_set:Nn \l__cooking_units_value_signs_tl { + - }
+\tl_set:Nn \l__cooking_units_input_range_sign_tl { -- }
+\tl_set:Nn \l__cooking_units_allowed_special_signs_tl { ? }
+\tl_set_rescan:Nnn \c__cooking_units_str_hash_one_tl
+  { \char_set_catcode_letter:N \# } {#1}
+\AtBeginDocument {
+  \cs_if_free:cT { T@TS1 }
+    {
+      \DeclareFontEncoding { TS1 } { } { }
+      \DeclareFontSubstitution { TS1 } { cmr } { m } { n }
+    }
+}
+\DeclareTextSymbolDefault \c__cooking_units_minus_tl { TS1 }
+\DeclareTextSymbol \c__cooking_units_minus_tl { TS1 } { 61 }
+\AtBeginDocument {
+  \@ifpackageloaded { fontspec }
+    {
+      \@ifpackageloaded { eulervm }
+        { }
+        {
+          \int_const:Nn \c__cooking_units_minus_int { 8722 }
+          \tl_set:Nn \c__cooking_units_minus_tl
+            { \tex_char:D \c__cooking_units_minus_int }
+        }
+    }
+    { }
+}
+\dim_new:N \l__cooking_units_mixed_frac_dim
+\dim_set:Nn \l__cooking_units_mixed_frac_dim { 0.1 em }
+\int_new:N \l__cooking_units_significant_figures_int
+\int_new:N \l__cooking_units_significant_figures_plus_one_int
+\int_set:Nn \l__cooking_units_significant_figures_int { 2 }
+\int_set:Nn \l__cooking_units_significant_figures_plus_one_int { 2 + 1 }
+\int_new:N \l__cooking_units_print_numerals_below_int
+\int_set:Nn \l__cooking_units_print_numerals_below_int { 13 }
+\clist_new:N \l__cooking_units_list_of_defined_keys_clist
+\clist_new:N \g__cooking_units_list_of_defined_units_clist
+\clist_new:N \g__cooking_units_allowed_unit_phrases_clist
+\bool_new:N \l__cooking_units_error_bool
+\bool_new:N \l__cooking_units_eval_fractions_bool
+\bool_new:N \l__cooking_units_parse_input_bool
+\bool_new:N \l__cooking_units_round_to_int_bool
+\bool_new:N \l__cooking_units_special_sign_bool
+\bool_new:N \l__cooking_units_decimal_in_input_bool
+\bool_new:N \l__cooking_units_single_key_bool
+\bool_new:N \l__cooking_units_fraction_in_input_bool
+\bool_new:N \l__cooking_units_check_temperature_bool
+\bool_new:N \l__cooking_units_convert_to_eV_bool
+\bool_new:N \l__cooking_units_cutext_uppercase_word_bool
+\bool_new:N \l__cooking_units_error_for_unknown_value_bool
+\bool_new:N \l__cooking_units_parse_range_bool
+\bool_set_true:N \l__cooking_units_parse_input_bool
+\quark_new:N \q__cooking_units_range
+\clist_gset:Nn \g__cooking_units_allowed_unit_phrases_clist
+  {
+    decimal-mark ,
+    one (m) ,
+    one (f) ,
+    one (n)
+  }
+\newtranslation { decimal-mark (cu-unitname) } { . }
+\newtranslation [ to=German ] { decimal-mark (cu-unitname) } { , }
+\newtranslation { one (m) (cu-unitname) } { one }
+\newtranslation { one (f) (cu-unitname) } { one }
+\newtranslation { one (n) (cu-unitname) } { one }
+\newtranslation [ to=German ] { one (m) (cu-unitname) } { ein }
+\newtranslation [ to=German ] { one (f) (cu-unitname) } { eine }
+\newtranslation [ to=German ] { one (n) (cu-unitname) } { ein }
+\keys_define:nn { cooking - units }
+  {
+    eval-fraction .bool_set:N = \l__cooking_units_eval_fractions_bool ,
+    eval-fraction .default:n = { false } ,
+    round-precision .code:n =
+      {
+        \int_set:Nn \l__cooking_units_significant_figures_int {#1}
+        \int_set:Nn \l__cooking_units_significant_figures_plus_one_int { #1 + \c_one }
+      } ,
+    round-precision .default:n = { 2 } ,
+    round-to-int .bool_set:N = \l__cooking_units_round_to_int_bool ,
+    round-to-int .default:n = { false } ,
+    range-sign .meta:n =
+      {
+        cunum-range-sign = {#1} ,
+        cutext-range-sign = {#1}
+      } ,
+    range-sign .default:n = { -- } ,
+    cunum-range-sign .tl_set:N = \l__cooking_units_cunum_range_sign_tl ,
+    cunum-range-sign .default:n = { -- } ,
+    cutext-range-sign .tl_set:N = \l__cooking_units_cutext_range_sign_tl ,
+    cutext-range-sign .default:n = { -- } ,
+    value-unit-space .tl_set:N = \l__cooking_units_value_unit_space_tl ,
+    value-unit-space .default:n = { \thinspace } ,
+    fraction-command .code:n = { \cs_set_eq:NN \__cooking_units_frac:nn #1 } ,
+    fraction-command .default:n = { \sfrac } ,
+    fraction-inline .code:n = { \cs_set:Npn \__cooking_units_frac:nn ##1##2 {#1} } ,
+    fraction-inline .default:n = { \sfrac {#1}{#2} } ,
+    mixed-fraction-space .dim_set:N = \l__cooking_units_mixed_frac_dim ,
+    mixed-fraction-space .default:n = { 0.1 em } ,
+    parse-number .bool_set:N = \l__cooking_units_parse_input_bool ,
+    parse-number .default:n= { true } ,
+    add-special-sign .code:n = { \tl_put_right:Nn  \l__cooking_units_allowed_special_signs_tl {#1} } ,
+    add-special-sign .default:n = { } ,
+    set-special-sign .tl_set:N = \l__cooking_units_allowed_special_signs_tl ,
+    input-range-sign .tl_set:N = \l__cooking_units_input_range_sign_tl ,
+    input-range-sign .default:n = { -- } ,
+    check-temperature .bool_set:N = \l__cooking_units_check_temperature_bool ,
+    check-temperature .default:n = { true } ,
+    convert-to-eV .bool_set:N = \l__cooking_units_convert_to_eV_bool ,
+    convert-to-eV .default:n = { true } ,
+    use-numerals-below .int_set:N = \l__cooking_units_print_numerals_below_int ,
+    use-numerals-below .default:n = { 13 } ,
+    set-unknown-message .choices:nn =
+      { error , warning , none }
+      {
+        \msg_redirect_name:nnn { cooking-units } { amount-not-known }
+          { \l_keys_choice_tl }
+      } ,
+    set-unknown-message .default:n = { warning } ,
+    erase-all-options .code:n =
+      {
+        \clist_map_inline:Nn \g__cooking_units_list_of_defined_units_clist
+          {
+            \clist_clear:c { l__cooking_units_predefined_option_##1_clist }
+          }
+        },
+  }
+\msg_new:nnnn { cooking-units } { fraction-not-allowed-with-range }
+  {
+    'You' \ cannot \ use \ '/' \ ( and  \ '_' )\ in \ combination \
+    with \ '\l__cooking_units_input_range_sign_tl' \ in \  '#1'.
+  }{
+    You \ cannot \ use \ fractions \ with \ a \ range.
+    \msg_see_documentation_text:n { cooking-units }
+  }
+\msg_new:nnnn { cooking-units } { missing-slash }
+  {
+    You \ cannot \ use \ '_'  \ without \
+    '/' in '#1'.
+  }{
+    You \ cannot \ have \ a \ mixed \ fraction \ ('_') \ without \
+    a \ normal \ fraction \ ('/').
+    \msg_see_documentation_text:n { cooking-units }
+  }
+\msg_new:nnnn { cooking-units } { unknown - unit }
+  {
+    The \ unit \ '#1' \ is \ not \ defined. \ Use \
+    \newcookingunit \ to \ define \ new \ units.
+  }{
+    Define \ units \ before \ using \ or \ check \ if \ the \
+    unit-key \ is \ written \ correctly.
+    \msg_see_documentation_text:n { cooking-units }
+  }
+\msg_new:nnnn { cooking - units } { unit-already-defined }
+  { The\ unit \ '#1' \ is \ already \ defined. }
+  {
+    The \ unit-key \ is \ already \ defined. \ Please \ use \ a \ different \
+    key \ for \ a \ new \ unit.
+    \msg_see_documentation_text:n {cooking-units}
+  }
+\msg_new:nnnn { cooking - units } { missing-argument }
+  { There \ is \ an \ missing \ argument. }
+  {
+    You \ probably \ have \ forgotten \ a \ curly-brace \ pair.
+    \msg_see_documentation_text:n {cooking-units}
+  }
+\msg_new:nnnn { cooking - units } { Division-by-zero }
+  { Division\ by \ zero \ is \ not \ allowed. }
+  { See \ a \ math \ book \ of \ your \ choice \ or \ for \ example \ Wikipedia. }
+\msg_new:nnnn { cooking - units } { Token-not-allowed }
+  { The \ token \ '#1' \ is \ not \ allowed. }
+  {
+    The \ command \ accepts \ only \ a \ fixed \ number \ of \ tokens.
+    \msg_see_documentation_text:n {cooking-units}
+  }
+\msg_new:nnnn { cooking - units } { Second - decimal -sign - not - allowed }
+  { A \ second \ decimal \ sign \ is \ not \ allowed. }
+  {
+    Perhaps \ you \ didn't \ type \ it \ correctly.
+    \msg_see_documentation_text:n {cooking-units}
+  }
+\msg_new:nnnn { cooking - units } { Key - not -defined }
+  {
+    The \ key \ '#1' \ is \ not \ defined. \ Use \ \cudefinekeys or \
+    \cudefinesinglekey to \ define \ keys.
+  }
+  {
+    This \ key \ is \ not \ defined, \ perhaps \ you  \ misspelled \ it.
+    \msg_see_documentation_text:n {cooking-units}
+  }
+\msg_new:nnnn { cooking - units } { Temperature-to-low }
+  {
+    The \ temperature \ '#1' \ is \ to \ low.\ It \ cannot \ be \
+    below \ the \ absolute \ zero - point \ of \ '#2'. \ Note \ that \
+    by \ default \ the \ temperatures \ 'C', \  'F' , \ 'K' \ and \ 'Re' \
+    are \ rounded \ to \ integers.
+    \\\\
+    You \ can \ disable \ the \ option \ 'check-temperature' \ to \
+    disable \ this \ error.
+  }
+  { See \ for \ example \ Wikipedia. }
+\msg_new:nnnn { cooking - units } { key-choice-unknown }
+  {
+    The \ key \ '#1' \ only \ accepts \ only \
+    '#3' \ as \ a \ set \ of \ choices \ and \ '#2' \ is \ non \ of \ these.
+  }
+  {
+    The \ key \ accepts \ accepts\ only \ a \ fixed \ set \ of \ choices. \
+    You \ can \ add \ new \ choices \ via \ \cuaddkeys, \ \cuaddsinglekeys \
+    and \ \cuaddtokeys.
+    \msg_see_documentation_text:n {cooking-units}
+  }
+\msg_new:nnnn { cooking - units } { amount-not-known }
+  {
+    The \ amount \ of \ #1 \ is \ not \ known \ at \ line \
+    \msg_line_number: .
+  }
+  {
+    You \ used\  a\  special\  sign\  indicating\  that\  the\  true\  amount\  of\  the\
+    specific\  ingredient\  is\  (was) not\  known\  to\  you. This\  message\
+    reminds\  you\  about\  that\  fact.
+    \msg_see_documentation_text:n {cooking-units}
+  }
+\msg_new:nnnn { cooking - units } { load-time-option }
+  {
+    The \ option \ '#1' \ is \ only \ avaiable \ as \ a \ load-time-option. \
+    Please \ set \ it \ as \ a \ package \ option.
+  }
+  {
+    You \ cannot \ set \ this \ option \ using \ \cusetup \
+    but \ only \ as \ a \ package \ option.
+    \msg_see_documentation_text:n { cooking-units }
+  }
+\cs_new:Npn \__cooking_units_error_if_unit_not_defined:n #1
+  {
+    \clist_if_in:NnF \g__cooking_units_list_of_defined_units_clist {#1}
+      { \msg_error:nnn { cooking-units } { unknown-unit } {#1} }
+  }
+\cs_generate_variant:Nn \__cooking_units_error_if_unit_not_defined:n { V }
+\prg_new_protected_conditional:Npnn \__cooking_units_if_integer_and_parse:n #1 { TF }
+  {
+    \bool_if:NTF \l__cooking_units_parse_input_bool
+      {
+        \tl_map_inline:nn {#1}
+          {
+            \tl_if_in:NnF \l__cooking_units_input_digits_tl {##1}
+              {
+                \tl_map_break:n { \use_iii:nnn }
+              }
+          }
+        \use_i:nn \prg_return_true: \prg_return_false:
+      }
+      { \prg_return_false: }
+  }
+\cs_generate_variant:Nn \__cooking_units_if_integer_and_parse:nTF { V }
+\cs_new:Npn \__cooking_units_convert_to_eV:
+  {
+    \keys_set:nn { cooking-units }
+      {
+        m= chbareV-1,
+        cm= chbareV-1,
+        dm= chbareV-1,
+        mm= chbareV-1,
+        in= chbareV-1,
+        kg= eVc-2,
+        dag= eVc-2,
+        g= eVc-2,
+        oz= eVc-2,
+        lb= eVc-2,
+        d= hbareV-1,
+        h= hbareV-1,
+        min= hbareV-1,
+        s= hbareV-1,
+        cal= eV,
+        kcal= eV,
+        J= eV,
+        kJ= eV,
+        F= eV,
+        K= eV,
+        C= eV,
+        Re= eV,
+        l= (chbareV-1)3 ,
+        dl= (chbareV-1)3 ,
+        cl= (chbareV-1)3 ,
+        ml= (chbareV-1)3 ,
+      }
+      \prop_get:NVN \l__cooking_units_change_unit_prop \l__cooking_units_tmp_unit_tl \l__cooking_units_option_unit_tl
+      \quark_if_no_value:NT \l__cooking_units_option_unit_tl
+        {
+          \tl_set_eq:NN \l__cooking_units_option_unit_tl \l__cooking_units_tmp_unit_tl
+        }
+      \keys_set_filter:nnv
+        { cooking-units }
+        { change-unit }
+        { l__cooking_units_predefined_option_ \l__cooking_units_option_unit_tl _clist }
+  }
+\cs_new:Npn \__cooking_units_cunum_parse_input:N #1
+  {
+    \tl_if_in:nnTF {#1} { \q__cooking_units_range }
+      { \__cooking_units_parse_range_in_input:ww #1 \q_stop }
+      {
+        \tl_if_in:nnTF {#1} { / }
+          {
+            \tl_if_in:nnTF {#1} { _ }
+              { \__cooking_units_parse_fraction_in_input:www #1 \q_stop }
+              { \__cooking_units_parse_fraction_in_input:ww #1 \q_stop }
+          }
+          { \__cooking_units_parse_number_in_input:n {#1} }
+      }
+  }
+\cs_generate_variant:Nn \__cooking_units_cunum_parse_input:N { V }
+\cs_new:Npn \__cooking_units_parse_number_in_input:n #1
+  {
+    \__cooking_units_parse_input_and_safe_in:nN {#1} \l__cooking_units_tmpa_tl
+    \__cooking_units_calculate_and_print_input:N \l__cooking_units_tmpa_tl
+  }
+\cs_new:Npn \__cooking_units_parse_range_in_input:ww #1 \q__cooking_units_range #2 \q_stop
+  {
+    \bool_set_true:N \l__cooking_units_parse_range_bool
+    \__cooking_units_parse_input_and_safe_in:nN {#1} \l__cooking_units_tmpa_tl
+    \__cooking_units_parse_input_and_safe_in:nN {#2} \l__cooking_units_tmpb_tl
+    \__cooking_units_calculate_and_print_input:N \l__cooking_units_tmpa_tl
+    \tl_use:N \l__cooking_units_cunum_range_sign_tl
+    \__cooking_units_calculate_and_print_input:N \l__cooking_units_tmpb_tl
+  }
+\cs_new:Npn \__cooking_units_parse_fraction_in_input:ww #1/#2 \q_stop
+  {
+    \__cooking_units_parse_input_and_safe_in:nN {#1} \l__cooking_units_tmpa_tl
+    \__cooking_units_parse_input_and_safe_in:nN {#2} \l__cooking_units_tmpb_tl
+    \bool_if:NTF \l__cooking_units_eval_fractions_bool
+      {
+        \__cooking_units_calculate_and_print_input:n
+          { \l__cooking_units_tmpa_tl / \l__cooking_units_tmpb_tl }
+      }{
+        \__cooking_units_formatiere_fractions:nnn
+          { }
+          { \l__cooking_units_tmpa_tl }
+          { \l__cooking_units_tmpb_tl }
+      }
+  }
+\cs_new:Npn \__cooking_units_parse_fraction_in_input:www #1_#2/#3 \q_stop
+  {
+    \__cooking_units_parse_input_and_safe_in:nN {#1} \l__cooking_units_mixed_fraction_tl
+    \__cooking_units_parse_input_and_safe_in:nN {#2} \l__cooking_units_tmpa_tl
+    \__cooking_units_parse_input_and_safe_in:nN {#3} \l__cooking_units_tmpb_tl
+    \bool_if:NTF \l__cooking_units_eval_fractions_bool
+      {
+        \__cooking_units_calculate_and_print_input:n
+          {
+            \l__cooking_units_mixed_fraction_tl
+            \fp_compare:nNnTF
+              { \l__cooking_units_mixed_fraction_tl } < { \c_zero_fp }
+              { - }
+              { + }
+            \l__cooking_units_tmpa_tl / \l__cooking_units_tmpb_tl
+          }
+      }{
+        \__cooking_units_formatiere_fractions:nnn
+          { \l__cooking_units_mixed_fraction_tl }
+          { \l__cooking_units_tmpa_tl }
+          { \l__cooking_units_tmpb_tl }
+      }
+  }
+\cs_new:Npn \__cooking_units_parse_input_and_safe_in:nN #1 #2
+  {
+    \tl_clear:N \l_tmpa_tl
+    \bool_set_false:N \l__cooking_units_decimal_in_input_bool
+    \__cooking_units_parse_vorzeichen_and_rest:Nw #1 \q_stop
+    \bool_if:NTF \l__cooking_units_error_bool
+      { \tl_set:Nn #2 {#1} }
+      { \tl_set_eq:NN #2 \l_tmpa_tl }
+  }
+\cs_new:Npn \__cooking_units_parse_vorzeichen_and_rest:Nw #1#2 \q_stop
+  {
+    \tl_if_in:NnTF \l__cooking_units_value_signs_tl {#1}
+      { \tl_put_right:Nn \l_tmpa_tl {#1} }
+      {
+        \tl_map_function:nN {#1} \__cooking_units_parse_input_for_safety_aux:N
+      }
+    \bool_if:NF \l__cooking_units_error_bool
+      { \tl_map_function:nN {#2} \__cooking_units_parse_input_for_safety_aux:N }
+  }
+\cs_new:Npn \__cooking_units_parse_input_for_safety_aux:N #1
+  {
+    \tl_if_in:NnTF \l__cooking_units_input_digits_tl {#1}
+      { \tl_put_right:Nn \l_tmpa_tl {#1} }
+      {
+        \tl_if_in:NnTF \l__cooking_units_decimal_mark_tl {#1}
+          {
+            \bool_if:NT \l__cooking_units_decimal_in_input_bool
+              {
+                \msg_error:nn { cooking-units }
+                  { Second - decimal -sign - not - allowed }
+              }
+            \bool_set_true:N \l__cooking_units_decimal_in_input_bool
+            \tl_put_right:Nn \l_tmpa_tl { . }
+          }{
+            \tl_if_in:NnTF \l__cooking_units_allowed_special_signs_tl {#1}
+              {
+                \bool_set_true:N \l__cooking_units_special_sign_bool
+                \tl_put_right:Nn \l_tmpa_tl {#1}
+              }{
+                \bool_if:NTF \l__cooking_units_parse_range_bool
+                  {
+                    \tl_if_in:nnTF { / _ } {#1}
+                      { \msg_error:nnn { cooking-units } { fraction-not-allowed-with-range } {#1} }
+                      { \msg_error:nnn { cooking-units } { Token-not-allowed } {#1} }
+                  }
+                  {
+                    \tl_if_in:nnTF { _ } {#1}
+                      { \msg_error:nnn { cooking-units } { missing-slash } {#1} }
+                      { \msg_error:nnn { cooking-units } { Token-not-allowed } {#1} }
+                   }
+                \bool_set_true:N \l__cooking_units_error_bool
+                \tl_map_break:
+              }
+          }
+      }
+  }
+\cs_new:Npn \__cooking_units_calculate_and_print_input:n #1
+  {
+    \bool_if:NTF \l__cooking_units_error_bool
+      {#1}
+      {
+        \bool_if:NTF \l__cooking_units_special_sign_bool
+          {
+            \tl_set:Nf \l_tmpa_tl {#1}
+            \msg_warning:nnx { cooking-units } { amount-not-known } \l_tmpa_tl
+          }
+          {
+            \__cooking_units_calculate_input_and_store_in:nN {#1} \l_tmpa_tl
+            \__cooking_units_check_temperature_limit:N \l_tmpa_tl
+          }
+        \__cooking_units_print_nummerical_output:N \l_tmpa_tl
+      }
+  }
+\cs_generate_variant:Nn \__cooking_units_calculate_and_print_input:n { N }
+\cs_new:Npn \__cooking_units_calculate_input_and_store_in:nN #1#2
+  {
+    \fp_set:Nn \l_tmpa_fp {#1}
+    \tl_if_in:cnTF { l__cooking_units_tmpa_ \l__cooking_units_tmp_unit_tl  _ tl } { \l_tmpa_fp }
+      {
+        \tl_set:Nf #2
+          {
+            \fp_eval:c { l__cooking_units_tmpa_ \l__cooking_units_tmp_unit_tl  _ tl }
+          }
+      }{
+        \tl_set:Nf #2
+          {
+            \fp_eval:n
+              {
+                \l_tmpa_fp *
+                \tl_use:c { l__cooking_units_tmpa_ \l__cooking_units_tmp_unit_tl  _ tl }
+              }
+          }
+      }
+    \__cooking_units_round_calculated_input:NV #2 #2
+  }
+\cs_generate_variant:Nn \__cooking_units_calculate_input_and_store_in:nN { V }
+\cs_new:Npn \__cooking_units_get_number_after_dot:n #1
+  {
+    \__cooking_units_get_number_after_dot_aux:w #1 . \q_recursion_tail .
+    \q_recursion_stop
+  }
+\cs_new:Npn \__cooking_units_get_number_after_dot_aux:w #1. #2 .
+  {
+    \quark_if_recursion_tail_stop_do:nn {#2}
+      { \bool_set_false:N \l_tmpa_bool }
+    \int_compare:nNnTF { \tl_count:n {#2} } < {\l__cooking_units_significant_figures_plus_one_int }
+      { \bool_set_false:N \l_tmpa_bool }
+      { \bool_set_true:N \l_tmpa_bool }
+    \use_none_delimit_by_q_recursion_stop:w
+  }
+\cs_new:Npn \__cooking_units_round_calculated_input:NN #1#2
+  {
+    \__cooking_units_get_number_after_dot:n {#2}
+    \tl_set:Nf #1
+      {
+        \bool_if:nTF { \l_tmpa_bool || \l__cooking_units_round_to_int_bool }
+          {
+           \fp_eval:n
+             {
+               \bool_if:NTF \l__cooking_units_round_to_int_bool
+                 { round (#2) }
+                 {
+                   round( #2 , \l__cooking_units_significant_figures_int )
+                 }
+             }
+         }
+         {#2}
+     }
+  }
+\cs_generate_variant:Nn \__cooking_units_round_calculated_input:NN { NV }
+\cs_new:Npn \__cooking_units_formatiere_fractions:nnn #1#2#3
+  {
+    \bool_set_true:N \l__cooking_units_fraction_in_input_bool
+    \tl_if_blank:nF {#1}
+      {
+        #1
+        \hbox_to_wd:nn { \l__cooking_units_mixed_frac_dim } { }
+      }
+    \__cooking_units_frac:nn {#2} {#3}
+  }
+\cs_new:Npn \__cooking_units_check_temperature_limit:N #1
+  {
+    \bool_if:NT \l__cooking_units_check_temperature_bool
+      {
+        \clist_if_in:nVT { C , F , K , Re } \l__cooking_units_option_unit_tl
+          {
+            \fp_compare:cNnT
+              { c__cooking_units_ \l__cooking_units_option_unit_tl _min_fp } > {#1}
+              {
+                \msg_error:nnxx { cooking-units }
+                  { Temperature-to-low }
+                  { #1 \space \l__cooking_units_option_unit_tl }
+                  {
+                    \fp_use:c { c__cooking_units_ \l__cooking_units_option_unit_tl _min_fp }
+                    \space \l__cooking_units_option_unit_tl
+                  }
+              }
+          }
+      }
+    }
+\cs_new_protected:Npn \__cooking_units_print_nummerical_output:N #1
+  {
+%%    \l_@@_tmpa_tl is sehr gefaehrlich hier.
+    \translatelet \l__cooking_units_tmpa_tl { decimal-mark ( cu-unit name ) }
+    \tl_replace_once:NnV #1 { . } \l__cooking_units_tmpa_tl
+    \tl_replace_once:NnV #1 { - } \c__cooking_units_minus_tl
+    #1
+  }
+\NewDocumentCommand \cunum { O{} m O{} m }
+  {
+    \group_begin:
+    \__cooking_units_cunum_initialise:nnnn {#1} {#2} {#3} {#4}
+    \bool_if:NTF \l__cooking_units_parse_input_bool
+      { \__cooking_units_cunum:nnVV {#2} {#3} \l__cooking_units_option_unit_tl \l__cooking_units_tmp_unit_tl }
+      { \__cooking_units_cunum_do_not_parse:nnn {#2} {#3} {#4} }
+    \group_end:
+  }
+\cs_new_protected:Npn \__cooking_units_cunum_initialise:nnnn #1#2#3#4
+  {
+    \tl_set:Nn \l__cooking_units_tmp_unit_tl {#4}
+    \__cooking_units_error_if_unit_not_defined:V \l__cooking_units_tmp_unit_tl
+    \bool_if:NTF \l__cooking_units_convert_to_eV_bool
+      { \__cooking_units_convert_to_eV: }
+      {
+        \keys_set_groups:nnn { cooking-units } { change-unit } {#1}
+        \prop_get:NVN \l__cooking_units_change_unit_prop \l__cooking_units_tmp_unit_tl \l__cooking_units_option_unit_tl
+        \quark_if_no_value:NT \l__cooking_units_option_unit_tl
+          {
+            \tl_set_eq:NN \l__cooking_units_option_unit_tl \l__cooking_units_tmp_unit_tl
+          }
+        \keys_set_filter:nnv
+          { cooking-units }
+          { change-unit }
+          { l__cooking_units_predefined_option_ \l__cooking_units_option_unit_tl _clist }
+        \keys_set_filter:nnn { cooking-units } { change-unit } {#1}
+      }
+    \bool_set_false:N \l__cooking_units_special_sign_bool
+    \bool_set_false:N \l__cooking_units_error_bool
+    \bool_set_false:N \l__cooking_units_parse_range_bool
+  }
+\cs_new:Npn \__cooking_units_cunum_do_not_parse:nnn #1#2#3
+  {
+    \tl_set_rescan:Nnn \l_tmpa_tl
+      {
+        \char_set_catcode_letter:N \_ %
+        \char_set_catcode_ignore:N \ %
+      } {#1}
+    \l_tmpa_tl
+    \__cooking_units_cunum_print_correct_unit:nnn {#2} {#3} {#3}
+  }
+\cs_new:Npn \__cooking_units_cunum:nnNN #1#2#3#4
+  {
+    \tl_set_rescan:Nnn \l_tmpa_tl
+      {
+        \char_set_catcode_letter:N \_ %
+        \char_set_catcode_ignore:N \ %
+        \char_set_catcode_other:N ? %
+      } {#1}
+    \tl_if_empty:VF \l_tmpa_tl
+      {
+        \tl_if_in:NVT \l_tmpa_tl \l__cooking_units_input_range_sign_tl
+          { \tl_replace_once:NVn \l_tmpa_tl \l__cooking_units_input_range_sign_tl { \q__cooking_units_range } }
+        \__cooking_units_cunum_parse_input:V \l_tmpa_tl
+      }
+    \__cooking_units_cunum_print_correct_unit:nnn {#2} {#3} {#4}
+  }
+\cs_generate_variant:Nn \__cooking_units_cunum:nnNN { nnVV }
+\cs_new:Npn \__cooking_units_cunum_print_correct_unit:nnn #1#2#3
+  {
+    \phantom {#1}
+    \tl_use:N \l__cooking_units_value_unit_space_tl
+    \bool_if:nTF
+      {
+        \l__cooking_units_fraction_in_input_bool ||
+        \l__cooking_units_special_sign_bool
+      }
+      { \translate { #3 ( cu-unit ) } }
+      { \translate { #2 ( cu-unit ) } }
+  }
+\NewDocumentCommand \cudefinekeys { m m }
+  {
+    \bool_set_false:N \l__cooking_units_single_key_bool
+    \cukeys_define_keys_and_single_keys:nn {#1} {#2}
+  }
+\NewDocumentCommand \cudefinesinglekey { m m }
+  {
+    \bool_set_true:N \l__cooking_units_single_key_bool
+    \cukeys_define_keys_and_single_keys:nn {#1} {#2}
+  }
+\cs_new:Npn \cukeys_define_keys_and_single_keys:nn #1#2
+  {
+    \__cooking_units_error_if_unit_not_defined:n {#1}
+    \tl_if_blank:nF {#2}
+      {
+        \clist_clear:N \l_tmpa_clist
+        \prop_clear:N \l_tmpa_prop
+        \bool_if:NTF \l__cooking_units_single_key_bool
+          {
+            \__cooking_units_cukeys_parse_and_create_single_key:nn {#1} {#2}
+          }{
+            \fp_set_eq:NN \l_tmpa_fp \c_one_fp
+            \tl_set:Nn \l__cooking_units_tmp_unit_tl {#1}
+            \__cooking_units_cukeys_parse_and_create_keys:nn {#1}
+              {
+                {#1} { \c_one_fp } #2
+              }
+          }
+      }
+  }
+\cs_new:Npn \__cooking_units_cukeys_parse_and_create_keys:nn #1#2
+  {
+    \__cooking_units_cukeys_parse_input:nn #2
+    \q_recursion_tail \q_recursion_tail \q_recursion_stop
+    \__cooking_units_cukeys_create_key_prop:n {#1}
+    \__cooking_units_cukeys_define_keys:V \l_tmpa_clist
+  }
+\cs_new:Npn \__cooking_units_cukeys_parse_input:nn #1#2
+  {
+    \quark_if_recursion_tail_stop:n {#1}
+    \quark_if_recursion_tail_stop_do:nn {#2}
+      { \msg_error:nn { cooking-units } { missing-argument } }
+    \__cooking_units_error_if_unit_not_defined:n {#1}
+    \clist_put_right:Nn \l_tmpa_clist {#1}
+    \prop_put:Nnx \l_tmpa_prop {#1} { \fp_eval:n { #2 / \l_tmpa_fp } }
+    \__cooking_units_cukeys_parse_input:nn
+  }
+\cs_new:Npn \__cooking_units_cukeys_create_key_prop:n #1
+  {
+    \clist_map_inline:Nn \l_tmpa_clist
+      {
+        \prop_clear_new:c { l__cooking_units_cukeys_ ##1 _prop }
+        \tl_clear_new:c { l__cooking_units_tmpa_ ##1 _tl }
+        \tl_set_eq:cN   { l__cooking_units_tmpa_ ##1 _tl } \c_one_fp
+        \prop_put:cnV { l__cooking_units_cukeys_ ##1 _prop } { Liste } \l_tmpa_clist
+        \prop_put:cnV { l__cooking_units_cukeys_ ##1 _prop } { prop } \l_tmpa_prop
+        \prop_put:cnV { l__cooking_units_cukeys_ ##1 _prop } { Erstes Ding } \l__cooking_units_tmp_unit_tl
+        \clist_map_inline:Nn \l_tmpa_clist
+          {
+            \prop_put:cnx { l__cooking_units_cukeys_ ##1 _prop }
+              {####1}
+              {
+                \fp_eval:n
+                  { \prop_item:Nn \l_tmpa_prop {####1} / \prop_item:Nn \l_tmpa_prop {##1} }
+              }
+          }
+      }
+  }
+\cs_new:Npn \__cooking_units_cukeys_define_keys:N #1
+  {
+   \clist_map_inline:Nn \l_tmpa_clist
+     {
+       \clist_put_right:Nn \l__cooking_units_list_of_defined_keys_clist {##1}
+       \keys_define:nn { cooking-units }
+         {
+           ##1 .choices:Vn =
+             \l_tmpa_clist
+             {
+               \__cooking_units_cukeys_define_keys_and_single_key_aux:n {##1}
+             } ,
+           ##1 / unknown .code:n=
+             {
+               \seq_set_split:Nnn \l_tmpa_seq { , } {#1}
+               \msg_error:nnxxx
+                 { cooking-units }
+                 { key-choice-unknown }
+                 {##1}
+                 {####1}
+                 { \seq_use:Nnnn \l_tmpa_seq { ',' } { ',' } { ' ~ and ~ ' } }
+             } ,
+           ##1 .default:n = {##1} ,
+           ##1 .groups:n = { change-unit }
+         }
+     }
+     \clist_remove_duplicates:N \l__cooking_units_list_of_defined_keys_clist
+  }
+\cs_generate_variant:Nn \__cooking_units_cukeys_define_keys:N { V }
+\cs_new:Npn \__cooking_units_cukeys_define_keys_and_single_key_aux:n #1
+  {
+    \prop_get:cVN
+      { l__cooking_units_cukeys_#1_prop }
+      \l_keys_choice_tl
+      \l_tmpa_tl
+    \tl_set:cV { l__cooking_units_tmpa_ #1_tl } \l_tmpa_tl
+    \prop_put:NnV \l__cooking_units_change_unit_prop {#1} \l_keys_choice_tl
+  }
+\cs_new:Npn \__cooking_units_cukeys_parse_and_create_single_key:nn #1#2
+  {
+    \tl_set_rescan:Nnn \l_tmpa_tl
+      {
+        \char_set_catcode_letter:N \# %
+        \char_set_catcode_ignore:N\ %
+      } { {#1} { \c_one_fp } #2 }
+    \__cooking_units_cusinglekeys_parse_input:V \l_tmpa_tl
+    \__cooking_units_cusinglekeys_create_key_prop:n {#1}
+    \__cooking_units_cukeys_define_singlekey:nV {#1} \l_tmpa_clist
+  }
+\cs_new:Npn \__cooking_units_cusinglekeys_parse_input:n #1
+  {
+    \__cooking_units_cusinglekeys_parse_input_aux:nn #1
+    \q_recursion_tail \q_recursion_tail \q_recursion_stop
+  }
+\cs_generate_variant:Nn \__cooking_units_cusinglekeys_parse_input:n { V }
+\cs_new:Npn \__cooking_units_cusinglekeys_parse_input_aux:nn #1#2
+  {
+    \quark_if_recursion_tail_stop:n {#1}
+    \quark_if_recursion_tail_stop_do:nn {#2}
+      { \msg_error:nn { cooking-units } { missing-argument } }
+    \clist_put_right:Nn \l_tmpa_clist {#1}
+    \tl_set:Nn \l_tmpa_tl {#2}
+    \tl_replace_all:NVn \l_tmpa_tl \c__cooking_units_str_hash_one_tl { \l_tmpa_fp }
+    \prop_put:NnV \l_tmpa_prop {#1} \l_tmpa_tl
+    \__cooking_units_cusinglekeys_parse_input_aux:nn
+  }
+\cs_new:Npn \__cooking_units_cusinglekeys_create_key_prop:n #1
+  {
+    \prop_clear_new:c { l__cooking_units_cukeys_ #1 _prop }
+    \tl_set_eq:cN { l__cooking_units_tmpa_ #1 _tl } \c_one_fp
+    \prop_put:cnV { l__cooking_units_cukeys_ #1 _prop } { Liste } \l_tmpa_clist
+    \prop_put:cnV { l__cooking_units_cukeys_ #1 _prop } { prop } \l_tmpa_prop
+    \prop_put:cnn { l__cooking_units_cukeys_ #1 _prop } { Erstes Ding } {#1}
+    \prop_map_inline:Nn \l_tmpa_prop
+      {
+        \prop_put:cnn { l__cooking_units_cukeys_ #1 _prop }
+          {##1}
+          {##2}
+      }
+  }
+\cs_new:Npn \__cooking_units_cukeys_define_singlekey:nN #1#2
+  {
+    \clist_put_right:Nn \l__cooking_units_list_of_defined_keys_clist {#1}
+     \keys_define:nn { cooking-units }
+         {
+           #1 .choices:Vn =
+             \l_tmpa_clist
+               {
+                 \__cooking_units_cukeys_define_keys_and_single_key_aux:n {#1}
+               } ,
+           #1 / unknown .code:n=
+             {
+               \seq_set_split:Nnn \l_tmpa_seq { , } {#2}
+               \msg_error:nnxxx
+                 { cooking-units }
+                 { key-choice-unknown }
+                 {#1}
+                 {##1}
+                 { \seq_use:Nnnn \l_tmpa_seq { ',' } { ',' } { ' ~ and ~ ' } }
+             } ,
+           #1 .default:n = {#1} ,
+           #1 .groups:n = { change-unit } ,
+         }
+     \clist_remove_duplicates:N \l__cooking_units_list_of_defined_keys_clist
+  }
+\cs_generate_variant:Nn \__cooking_units_cukeys_define_singlekey:nN { nV }
+\NewDocumentCommand \cuaddkeys { m m }
+  {
+    \bool_set_false:N \l__cooking_units_single_key_bool
+    \tl_set:Nn \l_tmpa_tl {#1}
+    \tl_set:Nn \l_tmpb_tl {#2}
+    \__cooking_units_cukeys_add_keys_or_single_keys:VV \l_tmpa_tl \l_tmpb_tl
+  }
+\NewDocumentCommand \cuaddsinglekeys { m m }
+  {
+    \bool_set_true:N \l__cooking_units_single_key_bool
+    \tl_set:Nn \l_tmpa_tl {#1}
+    \tl_set:Nn \l_tmpb_tl {#2}
+    \__cooking_units_cukeys_add_keys_or_single_keys:VV \l_tmpa_tl \l_tmpb_tl
+  }
+\NewDocumentCommand \cuaddtokeys { m m m }
+  {
+    \bool_set_false:N \l__cooking_units_single_key_bool
+    \tl_set:Nn \l_tmpa_tl {#1}
+    \tl_set:Nn \l_tmpb_tl { {#2} { \fp_eval:n { \c_one_fp / #3 } } }
+    \__cooking_units_cukeys_add_keys_or_single_keys:VV \l_tmpa_tl \l_tmpb_tl
+  }
+\cs_new:Npn \__cooking_units_cukeys_add_keys_or_single_keys:nn #1#2
+  {
+    \__cooking_units_error_if_unit_not_defined:n {#1}
+    \clist_if_in:NnF \l__cooking_units_list_of_defined_keys_clist {#1}
+      { \msg_error:nnn { cooking-units } { Key - not - defined } {#1} }
+    \tl_if_blank:nF {#2}
+      {
+        \__cooking_units_cukeys_add_keys_and_single_key_aux:n {#1}
+        \bool_if:NTF \l__cooking_units_single_key_bool
+          { \__cooking_units_cukeys_parse_and_create_single_key:nn {#1} {#2} }
+          { \__cooking_units_cukeys_parse_and_create_keys:nn {#1} {#2} }
+      }
+  }
+\cs_generate_variant:Nn \__cooking_units_cukeys_add_keys_or_single_keys:nn { VV }
+\cs_new:Npn \__cooking_units_cukeys_add_keys_and_single_key_aux:n #1
+  {
+    \prop_get:cnN { l__cooking_units_cukeys_ #1 _prop } { Liste } \l_tmpa_clist
+    \prop_get:cnN { l__cooking_units_cukeys_ #1 _prop } { prop } \l_tmpa_prop
+    \prop_get:cnN { l__cooking_units_cukeys_ #1 _prop } { Erstes Ding } \l__cooking_units_tmp_unit_tl
+    \prop_get:cVN { l__cooking_units_cukeys_ #1 _prop } \l__cooking_units_tmp_unit_tl \l_tmpa_fp
+  }
+\NewDocumentCommand \newcookingunit { o m }
+  {
+    \__cooking_units_new_cooking_unit:nn {#1} {#2}
+  }
+\cs_new:Npn \__cooking_units_new_cooking_unit:nn #1#2
+  {
+    \clist_if_in:NnTF \g__cooking_units_list_of_defined_units_clist {#2}
+      { \msg_error:nnn { cooking-units } { unit-already-defined } {#2} }
+      {
+        \tl_new:c { l__cooking_units_tmpa_  #2 _tl }
+        \tl_set_eq:cN { l__cooking_units_tmpa_  #2 _tl } \c_one_fp
+        \clist_put_right:Nn \g__cooking_units_list_of_defined_units_clist {#2}
+        \clist_new:c { l__cooking_units_predefined_option_#2_clist }
+        \keys_define:nn { cooking - units }
+          {
+            set-option-for-#2 .clist_set:c = { l__cooking_units_predefined_option_#2_clist } ,
+            add-option-for-#2 .code:n =
+              { \clist_put_right:cn { l__cooking_units_predefined_option_#2_clist } {##1} },
+          }
+        \prop_new:c { l__cooking_units_cukeys_ #2 _prop }
+        \IfNoValueTF {#1}
+          {
+            \newtranslation { #2 ( cu-unit ) } {#2}
+          }{
+            \newtranslation { #2 ( cu-unit ) } {#1}
+          }
+      }
+  }
+\NewDocumentCommand \cutext { O{} m m }
+  {
+    \group_begin:
+      \__cooking_units_cutext_default:nnn {#1} {#2} {#3}
+      \__cooking_units_cutext_print_correct_unitname:nn {#2} {#3}
+    \group_end:
+  }
+\NewDocumentCommand \Cutext { O{} m m }
+  {
+    \group_begin:
+      \bool_set_true:N \l__cooking_units_cutext_uppercase_word_bool
+      \__cooking_units_cutext_default:nnn {#1} {#2} {#3}
+      \__cooking_units_cutext_print_correct_unitname:nn {#2} {#3}
+    \group_end:
+  }
+\cs_new:Npn \__cooking_units_cutext_default:nnn #1#2#3
+  {
+    \__cooking_units_error_if_unit_not_defined:n {#3}
+    \keys_set:nn { cooking-units } {#1}
+    \bool_if:NT \l__cooking_units_convert_to_eV_bool
+      { \__cooking_units_convert_to_eV: }
+    \bool_if:NTF \l__cooking_units_parse_input_bool
+      {
+        \tl_set:Nn \l_tmpb_tl {#2}
+        \tl_replace_once:Nnn \l_tmpb_tl { -- } { \q__cooking_units_range }
+        \tl_if_in:NnTF \l_tmpb_tl \q__cooking_units_range
+          { \__cooking_units_cunum_parse_range:Vn \l_tmpb_tl {#3} }
+          { \__cooking_units_cutext_print_nummerical_output:Nn \l_tmpb_tl {#3} }
+      }
+      {#2}
+  }
+\cs_new:Npn \__cooking_units_cunum_parse_range:Nn #1 #2
+  {
+    \__cooking_units_cunum_parse_range_aux:nww {#2} #1 \q_stop
+  }
+\cs_generate_variant:Nn \__cooking_units_cunum_parse_range:Nn { V }
+\cs_new:Npn \__cooking_units_cunum_parse_range_aux:nww #1 #2 \q__cooking_units_range #3 \q_stop
+  {
+    \tl_set:Nn \l__cooking_units_tmpa_tl {#2}
+    \tl_set:Nn \l__cooking_units_tmpb_tl {#3}
+    \__cooking_units_cutext_print_nummerical_output:Nn \l__cooking_units_tmpa_tl {#1}
+    \tl_use:N \l__cooking_units_cutext_range_sign_tl
+    \__cooking_units_cutext_print_nummerical_output:Nn \l__cooking_units_tmpb_tl {#1}
+  }
+\cs_new:Npn \__cooking_units_cutext_just_print_number_correctly:N #1
+  {
+    \translatelet \l_tmpa_tl { decimal-mark ( cu-unit name ) }
+    \tl_replace_once:NnV #1 { . } \l_tmpa_tl
+    \tl_replace_once:NnV #1 { - } \c__cooking_units_minus_tl
+    #1
+  }
+\cs_new_protected:Npn \__cooking_units_cutext_print_nummerical_output:Nn #1#2
+  {
+    \bool_if:NTF \g__cooking_units_load_if_opt_numeral_bool
+      {
+        \__cooking_units_if_integer_and_parse:VTF #1
+          {
+            \fp_compare:nNnTF {#1} < { \l__cooking_units_print_numerals_below_int }
+              {
+                \fp_compare:nNnTF {#1} = { \c_one_fp }
+                  {
+                    \translatelet \l_tmpa_tl { #2 (cu-unitgender) }
+                    \translatelet \l_tmpa_tl { one (\l_tmpa_tl) (cu-unitname) }
+                    \bool_if:NTF \l__cooking_units_cutext_uppercase_word_bool
+                      {
+                        \exp_args:Nf \tl_to_uppercase:n { \tl_head:V \l_tmpa_tl }
+                        \tl_tail:V \l_tmpa_tl
+                      }
+                      { \l_tmpa_tl }
+                  }{
+                    \bool_if:NTF \l__cooking_units_cutext_uppercase_word_bool
+                      { \Numberstringnum {#1} }
+                      { \numberstringnum {#1} }
+                  }
+              }{ \__cooking_units_cutext_just_print_number_correctly:N #1 }
+          }{ \__cooking_units_cutext_just_print_number_correctly:N #1 }
+      }
+      { \__cooking_units_cutext_just_print_number_correctly:N #1 }
+  }
+\cs_new:Npn \__cooking_units_cutext_print_correct_unitname:nn #1#2
+  {
+    \space
+    \__cooking_units_if_integer_and_parse:nTF {#1}
+      {
+        \fp_compare:nNnTF {#1} = { \c_one_fp }
+          { \translate  { #2 (cu-unitname) } }
+          { \translate  { #2 (cu-unitname pl) } }
+      }{
+        \translate { #2 (cu-unitname pl) }
+      }
+  }
+\NewDocumentCommand \cufrac { O{} m }
+  {
+    \group_begin:
+    \keys_set:nn { cooking-units } {#1}
+    \__cooking_units_cufrac:n {#2}
+    \group_end:
+  }
+\cs_new:Npn \__cooking_units_cufrac:n #1
+  {
+    \tl_set_rescan:Nnn \l_tmpa_tl
+      {
+        \char_set_catcode_letter:N \_ %
+        \char_set_catcode_ignore:N\ %
+      } {#1}
+    \__cooking_units_cufrac_parse:V \l_tmpa_tl
+  }
+\cs_new:Npn \__cooking_units_cufrac_parse:n #1
+  {
+    \tl_if_in:nnTF {#1} { / }
+      {
+        \tl_if_in:nnTF {#1} { _ }
+          { \__cooking_units_cufrac_parse_mixed_frac:www #1 \q_stop }
+          { \__cooking_units_cufrac_parse_frac:ww #1 \q_stop }
+      }{
+        \tl_if_in:nnTF {#1} { _ }
+          { \msg_error:nnn { cooking-units } { missing-slash } {#1} }
+          { \__cooking_units_cufrac_parse_scale:n {#1} }
+      }
+  }
+\cs_generate_variant:Nn \__cooking_units_cufrac_parse:n { V }
+\cs_new:Npn \__cooking_units_cufrac_parse_scale:n #1 {#1}
+\cs_new:Npn \__cooking_units_cufrac_parse_frac:ww #1/#2 \q_stop
+  { \__cooking_units_frac:nn {#1} {#2} }
+\cs_new:Npn \__cooking_units_cufrac_parse_mixed_frac:www #1_#2/#3 \q_stop
+  {
+    #1
+    \hbox_to_wd:nn { \l__cooking_units_mixed_frac_dim } { }
+    \__cooking_units_frac:nn {#2} {#3}
+  }
+\NewDocumentCommand \cudefinename { m m }
+  {
+    \tl_set:Nn \l__cooking_units_language_tl {#1}
+    \__cooking_units_cuname_parse_input:n #2
+    \q_recursion_tail \q_recursion_tail \q_recursion_stop
+  }
+\cs_new:Npn \__cooking_units_cuname_parse_input:n #1
+  {
+    \peek_meaning_ignore_spaces:NTF [
+      { \__cooking_units_cuname_parse_unit_symbol:nw {#1} }
+      { \__cooking_units_cuname_parse_input_aux:nn {#1} }
+  }
+\cs_new:Npn \__cooking_units_cuname_parse_unit_symbol:nw #1 [#2]
+  {
+    \quark_if_recursion_tail_stop:n {#1}
+    \quark_if_recursion_tail_stop_do:nn {#2}
+      { \msg_error:nn { cooking-units } { missing-argument } }
+    \__cooking_units_error_if_unit_not_defined:n {#1}
+    \deftranslation [ to=\l__cooking_units_language_tl ] { #1 ( cu-unit ) } {#2}
+    \__cooking_units_cuname_parse_input_aux:nn {#1}
+  }
+\cs_new:Npn \__cooking_units_cuname_parse_input_aux:nn #1#2
+  {
+    \quark_if_recursion_tail_stop:n {#1}
+    \quark_if_recursion_tail_stop_do:nn {#2}
+      { \msg_error:nn { cooking-units } { missing-argument } }
+    \clist_if_in:NnF \g__cooking_units_allowed_unit_phrases_clist {#1}
+      { \__cooking_units_error_if_unit_not_defined:n {#1} }
+    \deftranslation [ to=\l__cooking_units_language_tl ] { #1 (cu-unitname) }  {#2}
+    \peek_meaning_ignore_spaces:NTF [
+      { \__cooking_units_cuname_parse_bracket:nw {#1} }
+      { \__cooking_units_cuname_parse_bracket:nw {#1} [#2] }
+  }
+\cs_new:Npn \__cooking_units_cuname_parse_bracket:nw #1 [#2]
+  {
+    \deftranslation [ to=\l__cooking_units_language_tl ] { #1 ( cu-unitname pl ) } {#2}
+    \peek_meaning_ignore_spaces:NTF <
+      { \__cooking_units_cuname_parse_arrows:nw {#1} }
+      { \__cooking_units_cuname_parse_arrows:nw {#1} <m> }
+  }
+\cs_new:Npn \__cooking_units_cuname_parse_arrows:nw #1 <#2>
+  {
+    \deftranslation [ to=\l__cooking_units_language_tl ] { #1 ( cu-unitgender ) } {#2}
+    \__cooking_units_cuname_parse_input:n
+  }
+\NewDocumentCommand \cudefinesymbol { m m }
+  {
+    \tl_set:Nn \l__cooking_units_language_tl {#1}
+    \__cooking_units_cuprint_define_printed_unit:nn #2
+    \q_recursion_tail \q_recursion_tail \q_recursion_stop
+  }
+\cs_new:Npn \__cooking_units_cuprint_define_printed_unit:nn #1#2
+  {
+    \quark_if_recursion_tail_stop:n {#1}
+    \quark_if_recursion_tail_stop_do:nn {#2}
+      { \msg_error:nn { cooking-units } { missing-argument } }
+    \clist_if_in:NnF \g__cooking_units_allowed_unit_phrases_clist {#1}
+      { \__cooking_units_error_if_unit_not_defined:n {#1} }
+    \deftranslation [ to=\l__cooking_units_language_tl ] { #1 ( cu-unit ) } {#2}
+    \__cooking_units_cuprint_define_printed_unit:nn
+  }
+\NewDocumentCommand \cusetup { m }
+  {
+    \keys_set:nn { cooking-units } {#1}
+  }
+\newcookingunit { kg }
+\newcookingunit { dag }
+\newcookingunit { g }
+\newcookingunit { oz }
+\newcookingunit { lb }
+\newcookingunit [ \ensuremath{ \__cooking_units_frac:nn { eV } { c^2 } } ] { eVc-2 }
+\newcookingunit [ \ensuremath{ {} ^ { \circ } } \kern-\scriptspace C ]  { C }
+\newcookingunit { K }
+\newcookingunit [ \ensuremath{ {} ^ { \circ } } \kern-\scriptspace F ] { F }
+\newcookingunit [ \ensuremath{ {} ^ { \circ } } \kern-\scriptspace R\'{e} ] { Re }
+\newcookingunit { d }
+\newcookingunit { h }
+\newcookingunit { min }
+\newcookingunit { s }
+\newcookingunit [ \ensuremath{ \__cooking_units_frac:nn { \hbar } { eV } } ] { hbareV-1 }
+\newcookingunit { m }
+\newcookingunit { cm }
+\newcookingunit { dm }
+\newcookingunit { mm }
+\newcookingunit { in }
+\newcookingunit [ \ensuremath{ \__cooking_units_frac:nn { c\hbar } { eV } } ] { chbareV-1 }
+\newcookingunit { l }
+\newcookingunit { dl }
+\newcookingunit { cl }
+\newcookingunit { ml }
+\newcookingunit [ \ensuremath { \__cooking_units_frac:nn { c^3 \hbar^3 } { eV^3 } } ] { (chbareV-1)3 }
+\newcookingunit { cal }
+\newcookingunit { kcal }
+\newcookingunit { J }
+\newcookingunit { kJ }
+\newcookingunit { eV }
+\newcookingunit [ Msp. ] { Msp }
+\newcookingunit { EL }
+\newcookingunit { TL }
+\cudefinename { German }
+  {
+    { kg } { Kilogramm } < n >
+    { dag } { Dekagramm } < n >
+    { g } { Gramm } < n >
+    { oz } { Unze } < f >
+    { lb } { Pfund } < n >
+    { d } { Tag } [ Tage ]
+    { h } { Stunde } [ Stunden ] < f >
+    { min } { Minute } [ Minuten ] < f >
+    { s } { Sekunde } [ Sekunden ] < f >
+    { C } { Grad \space Celsius }
+    { K } { Kelvin } < n >
+    { F } { Grad \space Fahrenheit }
+    { Re } { Grad \space R\'{e}amur }
+    { m } { Meter } < n >
+    { dm } { Dezimeter } < n >
+    { cm } { Centimeter } < n >
+    { mm } { Millimeter } < n >
+    { in } { Zoll }
+    { l } { Liter }
+    { dl } { Deziliter }
+    { cl } { Centiliter }
+    { ml } { Milliliter }
+    { cal } { Kalorie } [ Kalorien ] < f >
+    { kcal } { Kilokalorie } [ Kilokalorien ] < f >
+    { J } { Joule }
+    { kJ } { Kilojoule }
+    { eV } { ELektronenvolt } < n >
+    { Msp } [ Msp. ] { Messerspitze } [ Messerspitzen ] < f >
+    { EL } [ EL ] { Essl{\"o}ffel }
+    { TL } [ TL ] { Teel{\"o}ffel }
+    { decimal-mark } { , }
+    { one (m) } { ein }
+    { one (f) } { eine }
+    { one (n) } { ein }
+  }
+\cudefinename { English }
+  {
+    { kg } { kilogramme }
+    { dag } { decagramme }
+    { g } { gramme }
+    { oz } { ounce }
+    { lb } { pound } [ pounds ]
+    { d } { day } [ days ]
+    { h } { hour } [ hours ]
+    { min } { minute } [ minutes ]
+    { s } { second } [ seconds ]
+    { C } { degree \space Celsius }  [ degrees \space Celsius ]
+    { F } { degree \space Fahrenheit } [ degrees \space Fahrenheit ]
+    { K } { kelvin }
+    { Re } { degree \space R\'{e}aumur } [ degrees \space R\'{e}aumur ]
+    { m } { metre } [ metres ]
+    { dm } { decimetre } [ decimetres ]
+    { cm } { centimetre } [ centimetres ]
+    { mm } { millimitre } [ millimitres ]
+    { in } { inch } [ inches ]
+    { l } { litre } [ litres ]
+    { dl } { decilitre } [ decilitres ]
+    { cl } { centilitre } [ centilitres ]
+    { ml } { millilitre } [ millilitres ]
+    { cal } { calorie } [ calories ]
+    { kcal } { kilocalorie } [ kilocalories ]
+    { J } { joule } [ joules ]
+    { kJ } { kilojoule } [ kilojoules ]
+    { eV } { electron \space volt }
+    { Msp } [ pn ] { pinch } [ pinches ]
+    { EL } [ tsp. ] { tablespoon } [ tablespoons ]
+    { TL } [ tbsp. ] { teaspoon } [ teaspoons ]
+    { decimal-mark } { . }
+    { one (m) } { one }
+    { one (f) } { one }
+    { one (n) } { one }
+  }
+\cudefinename { AmericanEnglish }
+  {
+    { kg } { kilogram }
+    { dag } { decagram }
+    { g } { gram }
+    { oz } { ounce }
+    { m } { meter } [ meters ]
+    { dm } { decimeter } [ decimeters ]
+    { cm } { centimeter } [ centimeters ]
+    { mm } { millimiter } [ millimiters ]
+    { in } { inch } [ inches ]
+    { l } { liter } [ liters ]
+    { dl } { deciliter } [ deciliters ]
+    { cl } { centiliter } [ centiliters ]
+    { ml } { milliliter } [ milliliters ]
+  }
+\cudefinename { French }
+  {
+    { kg } { kilogramme } [ kilogrammes ]
+    { dag } { d\'{e}cagramme } [ d\'{e}cagrammes]
+    { g } { gramme } [ gramme ]
+    { oz } { once } < f >
+    { lb } { livre } [ livres ] < f >
+    { d } { jour } [ jours ]
+    { h } { heure } [ heures ] < f >
+    { min } { minute } [ minutes ] < f >
+    { s } { seconde } [ secondes ] < f >
+    { C } { degr\'{e} \space Celsius }  [ degr\'{e}s \space Celsius ]
+    { K } { degr\'{e} \space Fahrenheit } [ degr\'{e}s \space Fahrenheit ]
+    { F } { kelvin } [ kelvins ]
+    { Re } { \'{e}chelle \space R\'{e}aumur } [ degr\'{e}s \space R\'{e}aumur ]
+    { m } { m\`{e}tre } [ m\`{e}tres ]
+    { dm } { d\'{e}cim\`{e}tre } [ d\'{e}cim\`{e}tres ]
+    { cm } { centim\`{e}tre } [ centim\`{e}tres ]
+    { mm } { millim\`{e}tre } [ millim\`{e}tre ]
+    { l } [ L ] { litre } [ litres ]
+    { dl } [ dL ] { d\'{e}cilitre } [ d\'{e}cilitres ]
+    { cl } [ cL ] { centilitre } [ centilitres ]
+    { ml } [ mL ] { millilitre } [ millilitres ]
+    { cal } { calorie } [ calorie ]
+    { kcal } { kilocalorie } [ kilocalories ]
+    { J } { joule } [ joules ]
+    { kJ } { kilojoule } [ kilojoules ]
+    { eV } { \'{e}lectron-volt } [ \'{e}lectron-volts ]
+    { Msp } { pinc\'{e}e } < f >
+    { EL } { cuill\'{e}re  \space \`{a} \space  soupe } < f >
+    { TL } { cuill\'{e}re \space \`{a} \space caf\'{e} } < f >
+    { decimal-mark } { . }
+    { one (m) } { un }
+    { one (f) } { une }
+    { one (n) } { un }
+  }
+\cudefinekeys { kg }
+  {
+    { dag }{ 100 }
+    { g }  { 1000 }
+    { oz } { 35.27399 }
+    { lb } { 2.204 622 6 } %% 2.204 622 6
+  }
+\cuaddtokeys { kg } { eVc-2 } { 1.78266173e-16 }
+\cudefinekeys { d }
+  {
+    { h }  { 24 }
+    { min }{ 1440 }
+    { s }  { 86400 }
+  }
+\cuaddtokeys { s } { hbareV-1 } { 6.582119514e-16 }
+\cudefinekeys { m }
+  {
+    { dm } { 10 }
+    { cm } { 100 }
+    { mm } { 1000 }
+    { in } { 39.370079 }
+  }
+\cuaddtokeys { m } { chbareV-1 } { 1.97326972e-7 }
+\cudefinekeys { l }
+  {
+    { dl } { 10 }
+    { cl } { 100 }
+    { ml }{ 1000 }
+    { (chbareV-1)3 } { 1.30148943e+17 }
+  }
+\cudefinekeys { J }
+  {
+    { kJ }{ 1e-3 }
+    { cal }{ 0.2388459 }
+    { kcal }{ 0.2388459e-3 }
+  }
+\cuaddtokeys { J } { eV } { 1.6021766208e-19 }
+\fp_const:Nn \c__cooking_units_kb_eV_fp {  8.617 330 3 e-5  }
+\cudefinesinglekey { C }
+  {
+    { F } { #1 * 1.8 + 32 }
+    { K } { #1 + 273.15 }
+    { Re } { #1 * 0.8 }
+    { eV } { ( #1 + 273.15 ) * \c__cooking_units_kb_eV_fp }
+  }
+\cudefinesinglekey { F }
+  {
+    { C } { ( #1 - 32 ) *  5/9 }
+    { K } { ( #1 + 459.67 ) *  5/9 }
+    { Re } { ( #1 - 32 ) * 4/9 }
+    { eV } {( #1 + 459.67 ) *  5/9 * \c__cooking_units_kb_eV_fp }
+  }
+\cudefinesinglekey { K }
+  {
+    { C } { #1 - 273.15 }
+    { F } { #1 * 1.8 - 459.67 }
+    { Re } { ( #1 - 273.15 ) * 0.8 }
+    { eV } { #1 * \c__cooking_units_kb_eV_fp }
+  }
+\cudefinesinglekey { Re }
+  {
+    { K } { #1 * 1.25 + 273.15 }
+    { C } { #1  * 1.25 }
+    { F } { #1 * 2.25 + 32 }
+    { eV } { ( #1 - 273.15 ) * 1.25 * \c__cooking_units_kb_eV_fp }
+  }
+\fp_const:Nn \c__cooking_units_K_min_fp { 0 }
+\fp_const:Nn \c__cooking_units_C_min_fp { -273.15 }
+\fp_const:Nn \c__cooking_units_F_min_fp { -459.67  }
+\fp_const:Nn \c__cooking_units_Re_min_fp { -218.52  }
+\cusetup
+  {
+    set-option-for-F = { round-to-int = true } ,
+    set-option-for-C = { round-to-int = true } ,
+    set-option-for-K = { round-to-int = true } ,
+    set-option-for-Re = { round-to-int = true } ,
+  }
+
+\endinput
+%%
+%% End of file `cooking-units.sty'.