fix chat template

Author: ngxson

common/arg.cpp

@@ -3435,7 +3435,7 @@ common_params_context common_params_parser_init(common_params & params, llama_ex
         [](common_params & params) {
             params.use_jinja = true;
         }
-    ).set_examples({LLAMA_EXAMPLE_SERVER, LLAMA_EXAMPLE_MAIN}).set_env("LLAMA_ARG_JINJA"));
+    ).set_examples({LLAMA_EXAMPLE_SERVER, LLAMA_EXAMPLE_MAIN, LLAMA_EXAMPLE_MTMD}).set_env("LLAMA_ARG_JINJA"));
     add_opt(common_arg(
         {"--reasoning-format"}, "FORMAT",
         "controls whether thought tags are allowed and/or extracted from the response, and in which format they're returned; one of:\n"

common/chat.cpp

@@ -579,6 +579,11 @@ common_chat_templates_ptr common_chat_templates_init(
             "{%- if false %}");
     }
 
+    // TODO @ngxson : hot fix for PaddleOCR
+    if (default_template_src.find("<|IMAGE_PLACEHOLDER|>") != std::string::npos) {
+        string_replace_all(default_template_src, "<|IMAGE_START|><|IMAGE_PLACEHOLDER|><|IMAGE_END|>", "");
+    }
+
     std::string token_bos = bos_token_override;
     std::string token_eos = eos_token_override;
     bool add_bos = false;