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It specifies where it would be OK to add a line-break where a word is too long, or it is perceived that the browser will break a line at the wrong place. Whether the line actually breaks is then left up to the browser. The break will look like a space - see soft hyphen below when it would be more appropriate to break the word or line using a ...
Python has two ways to annotate Python code. One is by using comments to indicate what some part of the code does. Single-line comments begin with the hash character ( # ) and continue until the end of the line.
The if clause body starts on line 3 since it is indented an additional level, and ends on line 4 since line 5 is indented a level less, a.k.a. outdented. The colon (:) at the end of a control statement line is Python syntax; not an aspect of the off-side rule. The rule can be realized without such colon syntax.
See: Help talk:Table#Line breaks. David Göthberg noted in 2008: "Also up until recently all documentation listed <br> as the code for forced line breaks. But some months ago some XHTML enthusiasts went around and edited a lot of the help pages to show the <br /> or even the <br/>."
For example, if the text "100 km" will not quite fit at the end of a line, the software may insert a line break between "100" and "km". An editor who finds this behavior undesirable may choose to use a non-breaking space between "100" and "km".
Line breaks or newlines are used to add whitespace between lines, such as separating paragraphs. A line break that is visible in the content is inserted by pressing ↵ Enter twice. Pressing ↵ Enter once will place a line break in the markup, but it will not show in the rendered content, except when using list markup.
This enables text-processing systems for scripts that do not use explicit spacing to recognize where word boundaries are for the purpose of handling line breaks appropriately. Zero-width space is unicode character U+200B , and is located in the unicode General Punctuation block, and can be represented by numeric character references ​ or ...
Line comments either start with a comment delimiter and continue until the end of the line, or in some cases, start at a specific column (character line offset) in the source code, and continue until the end of the line. [6] Some programming languages employ both block and line comments with different comment delimiters.