diff --git a/background-script.js b/background-script.js
index 76d2ea7..3e986c7 100644
--- a/background-script.js
+++ b/background-script.js
@@ -560,7 +560,7 @@ rules.push({type: "onlyfinalrule", dec_end:"る", con_end:"ん", dec_tag:"vk", c
 
 //rules.push({type: "stdrule", dec_end:"", con_end:"たい", dec_tag:"stem-ren", con_tag:"adj-i", detail:"want"});
 
-// FIXME implement un-deconjugation to show the actual reading of the deconjugated word - this is what furigana rules are for
+// FIXME implement un-deconjugation to show the actual reading of the deconjugated word e.g. of 来る or 得る - this is what furigana rules are for
 
 // return deconjugated form if stdrule applies to form, return otherwise
 function stdrule_deconjugate_inner(my_form, my_rule)
diff --git a/mining.js b/mining.js
index e26e7f6..8fe6d81 100644
--- a/mining.js
+++ b/mining.js
@@ -24,26 +24,28 @@ async function init_page()
         let text = "";
         for(let card of data)
         {
-            text += card.front.replace("\t", "\\t");
+            text += card.front.replace(/\t/g, "\\t");
             text += "\t";
-            text += card.readings.replace("\t", "\\t");
+            text += card.readings.replace(/\t/g, "\\t");
             text += "\t";
-            text += card.definitions.replace("\t", "\\t");
+            text += card.definitions.trim().replace(/\t/g, "\\t");
             text += "\t";
             try
-            {   text += card.lookup.replace("\t", "\\t");
+            {   text += card.lookup.replace(/\t/g, "\\t");
                 text += "\t";
             } catch(e) {}
             try
-            {   text += card.sentence.replace("\t", "\\t");
+            {   text += card.sentence.replace(/\t/g, "\\t");
                 text += "\t";
             } catch(e) {}
             try
-            {   text += card.index.replace("\t", "\\t");
+            {   text += card.index.replace(/\t/g, "\\t");
                 text += "\t";
             } catch(e) {}
-            text += card.seq.replace("\t", "\\t");
-            text.replace("\n", "\\n").replace("\r", "");
+            text += card.seq.replace(/\t/g, "\\t");
+            console.log(text);
+            text = text.replace(/\n/g, "\\n").replace(/\r/g, "");
+            console.log(text);
             text += "\n";
         }
         let element = document.body.querySelector("#field");
diff --git a/texthook.js b/texthook.js
index 1df8195..8145ead 100644
--- a/texthook.js
+++ b/texthook.js
@@ -1004,6 +1004,7 @@ function lookup_cancel_force()
 }
 
 let japanesePunctuation = "、。「」｛｝（）【】『』〈〉《》：・／…︙‥︰＋＝－÷？！．～―";
+let japaneseSeparators = "。？！";
 
 function lookup_left()
 {
@@ -1162,11 +1163,11 @@ function grab_text(textNode, offset, elemental)
     let leftwards = 0;
     let rightwards = 0;
     
-    while(moreText[index + leftwards] != "。" && moreText[index + leftwards] != "\n" && index + leftwards >= 0)
+    while(!japaneseSeparators.includes(moreText[index + leftwards]) && moreText[index + leftwards] != "\n" && index + leftwards >= 0)
         leftwards--;
     leftwards++;
     
-    while(moreText[index + rightwards] != "。" && moreText[index + rightwards] != "\n" && index + rightwards < moreText.length)
+    while(!japaneseSeparators.includes(moreText[index + rightwards]) && moreText[index + rightwards] != "\n" && index + rightwards < moreText.length)
         rightwards++;
     
     moreText = moreText.substring(index+leftwards, index+rightwards);
@@ -1381,7 +1382,7 @@ function mine(highlight)
     let readings_elements = word.getElementsByClassName("nazeka_readings");
     if(readings_elements.length)
         readings = readings_elements[0].textContent;
-    let definitions = word.getElementsByClassName("nazeka_definitions")[0].textContent;
+    let definitions = word.getElementsByClassName("nazeka_definitions")[0].innerText; // innerText retains newlines, which we actually want
     let lookup = word.parentElement.querySelector(".nazeka_lookup");
     let sentence = word.parentElement.querySelector(".nazeka_lookup_sentence");
     let index = word.parentElement.querySelector(".nazeka_lookup_index");