diff --git a/241216tex/ch6desc.md b/241216tex/ch6desc.md
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--- /dev/null
+++ b/241216tex/ch6desc.md
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+如果在tex cli界面輸入
+```
+\hsize=5in \input story
+``
+可以指定頁面的一行水平寬度為5inch，再匯入TeX Ch6 範例檔案story的內容，當然最後要加入\end，原檔案沒有\end。
+
+如果設定\hsize太小會出現警告訊息：
+```
+Overfull \hbox (1.34123pt too wide) in paragraph at lines 7--11
+[]\tenrm Once upon a|
+
+Overfull \hbox (0.50793pt too wide) in paragraph at lines 7--11
+\tenrm time, in a dis-tant|
+
+Overfull \hbox (5.50797pt too wide) in paragraph at lines 7--11
+\tenrm galaxy called []O^^?o^^Xc,|
+
+Overfull \hbox (3.31345pt too wide) in paragraph at lines 7--11
+\tenrm there lived a com-|
+
+Overfull \hbox (4.70236pt too wide) in paragraph at lines 7--11
+\tenrm puter named R. J.|
+
+Overfull \hbox (13.81348pt too wide) in paragraph at lines 12--16
+[]\tenrm Mr. Drofnats---|
+
+Overfull \hbox (27.81349pt too wide) in paragraph at lines 12--16
+\tenrm pre-ferred to be called---|
+
+Overfull \hbox (7.56346pt too wide) in paragraph at lines 12--16
+\tenrm was hap-pi-est when|
+
+Overfull \hbox (15.03568pt too wide) in paragraph at lines 12--16
+\tenrm he was at work type-|```
\ No newline at end of file
diff --git a/241216tex/ch6exa1.tex b/241216tex/ch6exa1.tex
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+++ b/241216tex/ch6exa1.tex
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+%建議搭配 "TeX for the Impatient"查指令定義
+\hrule %垂直水平線
+\vskip 1in %垂直間距1inch
+\centerline{\bf BOLD FONT} %置中粗體
+\vskip 6pt
+\centerline{\sl slanted font}
+\vskip .5cm
+Once upon a time there lives
+R.~J. Drofnats %增加不斷行空白
+%不斷行空白定義為> ~=macro:
+%->\penalty \@M \ .
+
+``R. J.''---an example--- as it %左引號、右引號、dash的打法
+ipsum lorem blah
+\vskip 1in
+\hrule
+\vfill %製作垂直大glue
+\eject%強制結束頁面
+\end %跳出程式
\ No newline at end of file
diff --git a/241216tex/story.dvi b/241216tex/story.dvi
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index 0000000..d3ca1f1
Binary files /dev/null and b/241216tex/story.dvi differ