Fix deps

Author: zepinglee

.github/workflows/test.yml

@@ -57,11 +57,18 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Set up TeX Live ${{ matrix.version }}
+        if: ${{ matrix.version >= 2021 }}
         uses: TeX-Live/setup-texlive-action@v3
         with:
           version: ${{ matrix.version }}
-          # package-file: .github/tl_packages_${{ matrix.version }}
           package-file: .github/tl_packages
+
+      - name: Set up TeX Live ${{ matrix.version }}
+        if: ${{ matrix.version < 2021 }}
+        uses: TeX-Live/setup-texlive-action@v3
+        with:
+          version: ${{ matrix.version }}
+          package-file: .github/tl_packages_${{ matrix.version }}
         # uses: zauguin/install-texlive@v4
         # with:
         #   texlive_version: ${{ matrix.version }}

ustcthesis.cls

@@ -113,21 +113,20 @@
     degree .choices:nn =
       { doctor , master , bachelor }
       {
-        % To be compatible with TeX Live 2017 (2018-08-23):
-        %   \str_set:NV -> \str_set:NV
-        \str_set:NV \l__ustc_degree_str \l_keys_value_tl
+        % Make compatible with TeX Live 2017 (2017/05/13):
+        \exp_args:NNV \str_set:Nn \l__ustc_degree_str \l_keys_choice_tl
         \str_if_eq:VnTF \l__ustc_degree_str { bachelor }
           { \bool_set_false:N \l__ustc_degree_graduate_bool }
           { \bool_set_true:N \l__ustc_degree_graduate_bool }
         \l__ustc_degree_hook_tl
       } ,
     degree-type .choices:nn =
       { academic , professional , engineering }
-      { \str_set:NV \l__ustc_degree_type_str \l_keys_value_tl } ,
+      { \exp_args:NNV \str_set:Nn \l__ustc_degree_type_str \l_keys_choice_tl } ,
     language .choices:nn =
       { chinese , english }
       {
-        \str_set:NV \l__ustc_language_str \l_keys_value_tl
+        \exp_args:NNV \str_set:Nn \l__ustc_language_str \l_keys_choice_tl
         \str_if_eq:VnTF \l__ustc_language_str { chinese }
           { \bool_set_true:N \l__ustc_language_chinese_bool }
           { \bool_set_false:N \l__ustc_language_chinese_bool }
@@ -137,29 +136,29 @@
     reviewer .bool_set:N = \l__ustc_reviewer_bool ,
     fontset .choices:nn =
       { auto , windows , mac , ubuntu , fandol , none }
-      { \str_set:NV \l__ustc_fontset_str \l_keys_value_tl } ,
+      { \exp_args:NNV \str_set:Nn \l__ustc_fontset_str \l_keys_choice_tl } ,
     font .choices:nn =
       { auto , times , termes , stix , xits , libertinus , newcm , lm , newtx , cm , none }
       {
-        \str_set:NV \l__ustc_font_str \l_keys_value_tl
+        \exp_args:NNV \str_set:Nn \l__ustc_font_str \l_keys_choice_tl
         \l__ustc_font_hook_tl
       } ,
     cjk-font .choices:nn =
       { auto , windows , mac , noto , fandol , none }
       {
-        \str_set:NV \l__ustc_cjk_font_str \l_keys_value_tl
+        \exp_args:NNV \str_set:Nn \l__ustc_cjk_font_str \l_keys_choice_tl
         \l__ustc_cjk_font_hook_tl
       } ,
     math-font .choices:nn =
       { auto , stix , xits , libertinus , newcm , cm , lm , newtx , none }
       {
-        \str_set:NV \l__ustc_math_font_str \l_keys_value_tl
+        \exp_args:NNV \str_set:Nn \l__ustc_math_font_str \l_keys_choice_tl
         \l__ustc_math_font_hook_tl
       } ,
     math-style .choices:nn =
       { TeX, ISO , GB }
       {
-        \str_set:NV \l__ustc_math_style_str \l_keys_value_tl
+        \exp_args:NNV \str_set:Nn \l__ustc_math_style_str \l_keys_choice_tl
         \l__ustc_math_style_hook_tl
       } ,
     uppercase-greek .choice: ,
@@ -185,7 +184,7 @@
       { \bool_set_false:N \l__ustc_partial_upright_bool } ,
     math-ellipsis .choices:nn =
       { centered , lower , AMS }
-      { \str_set:NV \l__ustc_math_ellipsis_str \l_keys_value_tl } ,
+      { \exp_args:NNV \str_set:Nn \l__ustc_math_ellipsis_str \l_keys_choice_tl } ,
     real-part .choice: ,
     real-part  / roman .code:n =
       { \bool_set_true:N \l__ustc_real_part_roman_bool } ,
@@ -194,7 +193,7 @@
     cite-style .choices:nn =
       { super , inline , authoryear }
       {
-        \str_set:NV \l__ustc_cite_style_str \l_keys_value_tl
+        \exp_args:NNV \str_set:Nn \l__ustc_cite_style_str \l_keys_choice_tl
         \l__ustc_cite_style_hook_tl
       } ,
     output .choice: ,