Breakable fill-in blanks
46545
Create fill-in-the-blank version of a document with ability to toggle blanks on and off
126128
Hiding part of text leaving blank space
72850
Is it possible to make LaTeX mark overfull boxes in the output?
57319
Number of Ways to Fill a Matrix with symbols subject to Weird contsraint.
107757
Generate a comma-separated list of cell contents, excluding blanks
124142
How can I force a long string without any blank to be wrapped?
65824
Indent math blocks?
9598
Blank lines in an equation and some other similar function
17668
the problem of using "~\\" and blank line
45463
How do I replace all line breaks in a string with  elements?
94827
Blank lines in align environment
62355
I'm using the standalone package. How can I get regular paragraph breaks?
79589
How do I partially break a clipping mask border?
121744
TeX's algorithms for "breaking paragraph into lines" and "setting the glue"
58313
How do I create unbreakable blocks?
61807
Filling holes inside a binary object
8382
What is an quick way to create a new blank file in Lion?