I've set the right margin value to 80 in Canopy editor, but the Canopy editor does not word-wrap the text in comments longer than 80 characters. Is this normal behavior or a bug ?
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I know how to set word wrap and left, center and right alignment for a long text, but I am not able to make word-wrap with aligning justified according to the padding or form width. Is any chance to do it using a pure Lua script (Lua 5.3)?. Not use Love2D, Latex, or any Lua modules.
I’ve been trying for the days now to format attractive code listings in lyx for an Erlang programming book that I’m working on.
The tcolorbox package looks like it should do the trick, but frustrates me at every turn,
Requirements:
Shaded Box with rounded corners, white header text on black, black outline, black on white body text
Head centered and of the form “Listing CN.LN comment” where CN is chapter number and LN is listing number and comment is in italics.
I can do this with a LaTeX macro, but can’t make it work in the head of a shaded box.
Code listing in the body must be mono space font with bold face highlighting.
I’ve read the tcolorbox manual, but still don’t understand how it works in lyx.
Can some kind souls please help dispel my ignorance?
LRP
I'm not sure about all the details of your requirements (could you post the LaTeX that works?) Try the following to get you started (I'm using LyX 2.2.x):
Document > Settings > Modules > Fancy Colored Boxes > Add > Apply
Insert > Custom Insets > Color Box
Inside the Color Box inset, you can find Color Box Options (right-click, or ALT-A 1 in Windows). Those options look similar to the syntax of tcolorbox, e.g.:
title=An enhanced box with a color gradient, enhanced, frame style={left color=red!75!black, right color=blue!75!black}, interior style={left color=red!20!white, right color=yellow!50!white}
Finally, there's an Example (in the LyX Resources/Examples folder) called colored-boxes.lyx that has a lot of info.
In Delphi 7 IDE, do the lines need to be a given length? I see a gray line in some Delphi code I'm working with, and it looks like ever line ends right before it.
It's called the right margin. It is intended as a guide to help you avoid writing lines that are too long and exceed your coding standards. You can switch it off from the Editor Options, as I have done here:
It's just a guide to line length. Some people don't like long lines because they can be hard to read on different resolutions or when doing comparisons.
That gray line is called the margin.
You can set its visibility and position in the Editor Properties at the Display tab in the Margin and gutter groupbox.
The margin is a visual assistent. The standard position is 80 characters, which defaults to the maximum unscrolled size of many source formatting output media, such as the one used here at Stack Overflow. Originally, it had something to do with the paper width on (matrix) printers. Maybe it still does.
Hi I'm using LateX. I have a block of text that I'd like to have a small box like space highlighting the are (just like a \begin{equation} but for text).
Is there such a thing in LateX?
I'm not 100% sure what you're asking I'm afraid, but if you just want to indent text with a margin on each side of the page to make it stand out, you can use...
\begin{quotation}
Quotation is good for long blocks of text that you want highlighted
\end{quotation}
\begin{quote}
Quote is suited to a single block of quoted text.
\end{quote}
If you actually want to have a physical black box around the text, you might want to consider wrapping it in a tabular / table, or you might want to delve into minipages and/or par box environments...
Is \makebox what you're looking for?
To create boxes of text that behave differently from the rest of the text, we can use
\makebox[width][pos]{text}
The width sets the width the of the box. The pos sets the positioning of the text - either r (right justified text), l (left justified), or s (stretched to fill the box). If the pos parameter is left out, as in \makebox[1in]{centerme}, the text is centered. The text is placed in the box. If you want to draw a box around the text, use \framebox just as you would use \makebox.
\mbox{text} and \fbox{text} are quick versions of \makebox and \framebox, which create a box to fit the size of the text.
There are some more examples at http://www.artofproblemsolving.com/wiki/index.php?title=LaTeX:Layout#Boxes
What was the original historical use of the vertical tab character (\v in the C language, ASCII 11)?
Did it ever have a key on a keyboard? How did someone generate it?
Is there any language or system still in use today where the vertical tab character does something interesting and useful?
Vertical tab was used to speed up printer vertical movement. Some printers used special tab belts with various tab spots. This helped align content on forms. VT to header space, fill in header, VT to body area, fill in lines, VT to form footer. Generally it was coded in the program as a character constant. From the keyboard, it would be CTRL-K.
I don't believe anyone would have a reason to use it any more. Most forms are generated in a printer control language like postscript.
#Talvi Wilson noted it used in python '\v'.
print("hello\vworld")
Output:
hello
world
The above output appears to result in the default vertical size being one line. I have tested with perl "\013" and the same output occurs. This could be used to do line feed without a carriage return on devices with convert linefeed to carriage-return + linefeed.
Microsoft Word uses VT as a line separator in order to distinguish it from the normal new line function, which is used as a paragraph separator.
In the medical industry, VT is used as the start of frame character in the MLLP/LLP/HLLP protocols that are used to frame HL-7 data, which has been a standard for medical exchange since the late 80s and is still in wide use.
It was used during the typewriter era to move down a page to the next vertical stop, typically spaced 6 lines apart (much the same way horizontal tabs move along a line by 8 characters).
In modern day settings, the vt is of very little, if any, significance.
The ASCII vertical tab (\x0B)is still used in some databases and file formats as a new line WITHIN a field. For example:
In the .mer file format to allow new lines within a data field,
FileMaker databases can use vertical tabs as a linefeed (see https://support.microsoft.com/en-gb/kb/59096).
I have found that the VT char is used in pptx text boxes at the end of each line shown in the box in oder to adjust the text to the size of the box.
It seems to be automatically generated by powerpoint (not introduced by the user) in order to move the text to the next line and fix the complete text block to the text box. In the example below, in the position of §:
"This is a text §
inside a text box"
A vertical tab was the opposite of a line feed i.e. it went upwards by one line. It had nothing to do with tab positions. If you want to prove this, try it on an RS232 terminal.
similar to R0byn's experience, i was experimenting with a Powerpoint slide presentation and dumped out the main body of text on the slide, finding that all the places where one would typically find carriage return (ASCII 13/0x0d/^M) or line feed/new line (ASCII 10/0x0a/^J) characters, it uses vertical tab (ASCII 11/0x0b/^K) instead, presumably for the exact reason that dan04 described above for Word: to serve as a "newline" while staying within the same paragraph. good question though as i totally thought this character would be as useless as a teletype terminal today.
I believe it's still being used, not sure exactly. There might be even a key combination of it.
As English is written Left to Right, Arabic Right to Left, there are languages in world that are also written top to bottom. In that case a vertical tab might be useful same as the horizontal tab is used for English text.
I tried searching, but couldn't find anything useful yet.