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      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Author</dt>
      <dd style="margin-left: 8.5em">Kouhei Sutou &lt;kou****@clear*****&gt;</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Date</dt>
      <dd style="margin-left: 8.5em">2014-06-20 23:54:27 +0900 (Fri, 20 Jun 2014)</dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">New Revision</dt>
      <dd style="margin-left: 8.5em"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0">22ca12c19d2608ea0d87e33ec6262935ec161dc0</a></dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Message</dt>
      <dd style="margin-left: 8.5em"><pre style="border: 1px solid #aaa; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; padding: 0.5em; width: auto">mrb: support backtrace</pre></dd>
      <dt style="clear: both; float: left; font-weight: bold; width: 8em">Modified files</dt>
      <dd style="margin-left: 8.5em">
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          <li><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#diff-0">lib/mrb.c</a></li>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">  Modified: lib/mrb.c (+19 -16)</span>
<span class="diff-header-mark" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">===================================================================</span>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L57">...</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L70">70</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L90">90</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L94">94</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L95">95</a></span>
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<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L98">98</a></span>
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<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L102">102</a></span>
<span class="diff-line-number-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L103">103</a></span>
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<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0L109">...</a></span>
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<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R57">...</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R64">64</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R65">65</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R66">66</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R67">67</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R68">68</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R69">69</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R86">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R87">87</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R88">88</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R89">89</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R90">90</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R91">91</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R92">92</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R93">93</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R94">94</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R95">95</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R96">96</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R97">97</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R98">98</a></span>
<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R99">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R100">100</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R101">101</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R102">102</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R103">103</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R104">104</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R105">105</a></span>
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<span class="diff-line-number-hunk-header" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R108">...</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R109">109</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R110">110</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R111">111</a></span>
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<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R117">117</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R118">118</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R119">119</a></span>
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<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R132">132</a></span>
<span class="diff-line-number-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R133">133</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R134">134</a></span>
<span class="diff-line-number-not-changed" style="display: block; white-space: pre"><a href="https://github.com/groonga/groonga/commit/22ca12c19d2608ea0d87e33ec6262935ec161dc0#L0R135">135</a></span>
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            <td class="diff-content" style="border: 1px solid #aaa">
<pre style="border: 0; font-family: Consolas, Menlo, &quot;Liberation Mono&quot;, Courier, monospace; line-height: 1.2; margin: 0; padding: 0.5em; white-space: normal; width: auto"><span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -58,14 +58,12 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">grn_mrb_get_system_ruby_scripts_dir(void)</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> }</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> #endif /* WIN32 */</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-static FILE *</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-grn_mrb_open_script(grn_ctx *ctx, const char *path)</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+static grn_bool</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+grn_mrb_expand_script_path(grn_ctx *ctx, const char *path, char *expanded_path)</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> {</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   const char *ruby_scripts_dir;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   char dir_last_char;</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  char expanded_path[PATH_MAX];</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   int path_length, max_path_length;</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  FILE *script_file = NULL;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre">   if (path[0] == '/') {</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     expanded_path[0] = '\0';</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -89,20 +87,12 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">grn_mrb_open_script(grn_ctx *ctx, const char *path)</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">         &quot;script path is too long: %d (max: %d) &lt;%s%s&gt;&quot;,</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         path_length, max_path_length,</span>
<span class="diff-not-changed" style="display: block; white-space: pre">         expanded_path, path);</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-    return NULL;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    return GRN_FALSE;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   }</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre">   strcat(expanded_path, path);</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  script_file = fopen(expanded_path, &quot;r&quot;);</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  if (!script_file) {</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-    char message[BUFFER_SIZE];</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-    snprintf(message, BUFFER_SIZE - 1,</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-             &quot;fopen: failed to open mruby script file: &lt;%s&gt;&quot;, path);</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-    SERR(message);</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-    return NULL;</span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  }</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  return script_file;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  return GRN_TRUE;</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> }</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre"> mrb_value</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -110,6 +100,7 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">grn_mrb_load(grn_ctx *ctx, const char *path)</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre"> {</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   grn_mrb_data *data = &amp;(ctx-&gt;impl-&gt;mrb);</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   mrb_state *mrb = data-&gt;state;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  char expanded_path[PATH_MAX];</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   FILE *file;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   mrb_value result;</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   struct mrb_parser_state *parser;</span>
<span class="diff-hunk-header" style="background-color: #eaf2f5; color: #999999; display: block; white-space: pre">@@ -118,16 +109,28 @@ <span class="diff-context" style="background-color: #ffffaa; color: #000000">grn_mrb_load(grn_ctx *ctx, const char *path)</span></span>
<span class="diff-not-changed" style="display: block; white-space: pre">     return mrb_nil_value();</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   }</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  file = grn_mrb_open_script(ctx, path);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  if (!grn_mrb_expand_script_path(ctx, path, expanded_path)) {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    return mrb_nil_value();</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  }</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  file = fopen(expanded_path, &quot;r&quot;);</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   if (!file) {</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    char message[BUFFER_SIZE];</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     mrb_value exception;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    snprintf(message, BUFFER_SIZE - 1,</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+             &quot;fopen: failed to open mruby script file: &lt;%s&gt;&quot;, expanded_path);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+    SERR(message);</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     exception = mrb_exc_new(mrb, E_ARGUMENT_ERROR,</span>
<span class="diff-not-changed" style="display: block; white-space: pre">                             ctx-&gt;errbuf, strlen(ctx-&gt;errbuf));</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     mrb-&gt;exc = mrb_obj_ptr(exception);</span>
<span class="diff-not-changed" style="display: block; white-space: pre">     return mrb_nil_value();</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   }</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-deleted" style="background-color: #ffaaaa; color: #000000; display: block; white-space: pre">-  parser = mrb_parse_file(mrb, file, NULL);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  parser = mrb_parser_new(mrb);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  mrb_parser_set_filename(parser, expanded_path);</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  parser-&gt;s = parser-&gt;send = NULL;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  parser-&gt;f = file;</span>
<span class="diff-added" style="background-color: #aaffaa; color: #000000; display: block; white-space: pre">+  mrb_parser_parse(parser, NULL);</span>
<span class="diff-not-changed" style="display: block; white-space: pre">   fclose(file);</span>
<span class="diff-not-changed" style="display: block; white-space: pre"> </span>
<span class="diff-not-changed" style="display: block; white-space: pre">   {</span>
</pre>
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