diff options
Diffstat (limited to 'source/luametatex/source/tex/texconditional.c')
| -rw-r--r-- | source/luametatex/source/tex/texconditional.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/source/luametatex/source/tex/texconditional.c b/source/luametatex/source/tex/texconditional.c index 9cbdeed2b..22176f8b6 100644 --- a/source/luametatex/source/tex/texconditional.c +++ b/source/luametatex/source/tex/texconditional.c @@ -487,6 +487,21 @@ inline static halfword tex_aux_scan_comparison(int code) } } +inline static void tex_aux_check_strict(int *result) +{ + tex_get_x_token(); + switch (cur_cmd) { + case relax_cmd: + case spacer_cmd: + case if_test_cmd: + break; + default: + *result = 2; + break; + } + tex_back_input(cur_tok); +} + void tex_conditional_if(halfword code, int unless) { /*tex The result or case value. */ @@ -731,11 +746,15 @@ void tex_conditional_if(halfword code, int unless) result = 0; goto RESULT; case if_chk_int_code: + case if_chk_integer_code: { lmt_error_state.intercept = 1; /* maybe ++ and -- so that we can nest */ lmt_error_state.last_intercept = 0; lmt_condition_state.chk_num = tex_scan_int(0, NULL); /* value is ignored */ result = lmt_error_state.last_intercept ? 2 : 1; + if (result == 1 && code == if_chk_integer_code) { + tex_aux_check_strict(&result); + } lmt_error_state.intercept = 0; lmt_error_state.last_intercept = 0; goto CASE; @@ -758,11 +777,15 @@ void tex_conditional_if(halfword code, int unless) goto CASE; } case if_chk_dim_code: + case if_chk_dimension_code: { lmt_error_state.intercept = 1; lmt_error_state.last_intercept = 0; lmt_condition_state.chk_dim = tex_scan_dimen(0, 0, 0, 0, NULL); /* value is ignored */ result = lmt_error_state.last_intercept ? 2 : 1; + if (result == 1 && code == if_chk_dimension_code) { + tex_aux_check_strict(&result); + } lmt_error_state.intercept = 0; lmt_error_state.last_intercept = 0; goto CASE; |