Numeric prefix arg arg means use arg comment characters. Erlang mode comes with a set of predefined skeletons. How to uncomment blocks code in emacs stack overflow. This orgmode file generates an emacs configuration. First, go to the first line you want to comment, press ctrl v. With just cu prefix arg, uncomment each line in region. This work is licensed to you under version 2 of the gnu general public license. If the region is active and transientmarkmode is on, call comment region unless it only consists of comments, in which case it calls uncomment region. You can configure c mode such that when you type a at the start of a line in a multiline block comment, this closes the comment. I am using emacs with the major mode javal abbrev activated. Nov 10, 2009 ymacs is an emacs like editor that works in your browser. If you want something a little more flexible, ive written my own function it toggles commenting on the current line if theres no region, and if there is a region, it just. If the selected region is not commented out, it will be commented if the selected region is already commented out, it will be uncommented.
Many emacs commands operate on an arbitrary contiguous part of the current buffer. If the region is active, comment or uncomment the lines in the region instead. Switched from pyyapf to yapfify because pyyapf loses the kill ring when it runs and this was driving me crazy. Comment commands gnu emacs manual gnu operating system. Ymacs is an emacslike editor that works in your browser. This provides a kind of functional emacs configuration. Nov 22, 2019 this wires the emrelextractconstant function to be displayed in emacs lispmode, provided point is not looking at an elisp definition or letbinding form if your favourite language mode already offers refactoring commands, it is simple to wire them up with emr using this interface. Alternatively, you may choose to receive this work under any other license that grants the right to use, copy, modify, andor distribute the work, as long as that license imposes the restriction that derivative works have to grant the same rights and impose the same restriction.
To specify the text for such a command to operate on, you set the mark at one end of it, and move point to the other end. The skeletons can be accessed either from the erlang menu of from commands named tempotemplateerlang, as the skeletons is defined using the standard emacs package tempo. At its core is an interpreter for emacs lisp, a dialect of the lisp programming language with extensions to support text editing. The thing is, it works fine for me in every mode using mx commentor uncomment region. This wires the emrelextractconstant function to be displayed in emacslispmode, provided point is not looking at an elisp definition or letbinding form if your favourite language mode already offers refactoring commands, it is simple to wire them up with emr using this interface. I always just do it by hand with the above commands.
Note that there is an overlap of two lines when you scroll a whole screenful. Add the following lines, defun uncommentregion beg end uncomment a. If youre using an older version of emacs, and cannot upgrade, download and. These global emacs settings are strongly recommended put them in your.
Ymacs ajax source code editor with syntax highlighting. I want to find a similiar way to uncomment a region. This wires the emrelextractconstant function to be displayed in emacs lispmode, provided point is not looking at an elisp definition or letbinding form if your favourite language mode already offers refactoring commands, it is simple to wire them up with emr using this interface. In some versions of emacs, there is command commentdwim, which combines commentregion and indentforcomment to always dowhatimean. Emacs modules can now be built outside of the emacs tree source. The command mx uncommentregion uncomments each line in the region. Unzip the zip file preserving the directory structure, and run bin\runemacs. Else if a prefix arg is specified, call commentkill. To restore the old behavior the option has to be customized back to plain. When i type mx commentregion or mx uncommentregion the desired. You can fix this by adding a hook that will set the. Gnu emacs is an extensible, customizable text editorand more. The default is make k make is a separate topic, so erase that and type whatever compilation command youd use at the unix prompt. If you want something a little more flexible, ive written my own function it toggles commenting on the current line if theres no region, and if there is a region, it just calls toggles commenting on that region.
A skeleton is a piece of prewritten code that can be inserted into the buffer. Id like something similar to gerstmanns answer in the above question but the answer doesnt do too well if the end of the region isnt the end of the line. Major modes have their own keymaps, and pythonmode probably overrides the binding from the global one. This causes different commenting behavior comment uncomment out region. You can set either the local value or the default value of these bufferlocal. Alternatively, create a desktop shortcut to bin\runemacs. Here we assume you are familiar with setting variables in emacs, either thru customize or in elisp in your. But i am getting tired of typing this out every time. Tab erlangindentcommand indents the current line of code mc\ indentregion indents all lines in the region. Gnu emacs for windows can be downloaded from a nearby gnu mirror. Commenting in emacs i am very new to emacs about a week and want to comment code. Find and replace commands how to find replace for all files in a dir. If arg is negative, delete that many comment characters instead. That way, they wont be evaluated when you start emacs.
Ymacs ajax source code editor with syntax highlighting and. Im wondering what is the key to toggle line comment in python, because m. Cu 56 mx evilnccommentor uncomment totheline, comment uncomment from current line to line 56. Select a region and mx evilnccommentoruncommentlines. Possible duplicate emacs comment uncomment current line. If emacs works fine with your configuration, check your. Comment regions of a latex file in emacs doxdrums blog. Else, if the current line is empty, call commentinsertcommentfunction if it is defined, otherwise insert a comment and indent it. When i type mx comment region or mx uncomment region the desired effects happen in the editor. I have found that i can type cc cc and comment a region.
In gnu emacs 23 the default value for custom option commentstyle has changed from plain to indent. Paste over the selected region and exit region mode. This project is based on dynarchlib, my ajax toolkit. Emacs commentuncomment current line stack overflow. How do you comment uncomment multiple lines when transient mark mode is. The region will be automatically expanded to contain whole lines. An image on your file system that you can drag to emacs. This project will focus on providing unmodified, uptodate from git master and newest release, and optimized w64 binary builds. To use rmail or gnus you will have to set up the relevant settings. Also very useful is commentoruncommentregion, present in newer versions of emacs. In some versions of emacs, there is command commentdwim, which combines comment region and indentforcomment to always dowhatimean. You can comment out regions by selecting them and using mx commentregion.
If you are not using transient mark mode, then you should use the commands comment region and uncomment region to do these jobs see section u. Ml indentforcomment insert a comment character to the right of the code on the line if any lines containing comment are indented differently depending on the number of %characters used. The following command are directly available for indentation. You can view, modify, save, load, and create graphics from workspace data using the browser. This causes different commenting behavior commentuncomment out region.
Emacs keybinding to comment selectionmultiple lines for sql. If you use emacs, you can download editing modes for editing mfiles with. As mentioned in comment commands, when the mj command adds a comment to a line, it tries to place the comment between the columns specified by the bufferlocal variables commentcolumn and commentfillcolumn or if that is nil, then the value of fillcolumn, see fill commands. To comment out a block of text or code within the matlab editor. If you are not using transient mark mode, then you should use the commands commentregion and uncommentregion to do these jobs see section u. Emacs highlights the region whenever there is one, if you enable transient mark mode see section transient. This extension facilitates moving images from point a to point b point a the source can be an image inside your browser that you can drag to emacs. For a basic introduction to customize, elisp, and emacs in general, see the tutorial in the gnu emacs manual.
New gpg key for gnu elpa package signature checking. Apr 07, 2020 select a region and mx evilnccommentor uncomment lines. Better checks for executables installed on the system so that ycmd, jupyter. The text between point and the mark is called the region. A prefix argument used in these circumstances specifies how many comment delimiters to add or how many to delete. Move configuration variables to front of file so it is much easier to configure the file. There is a commentdwim function, but most of the time it doesnt do what i mean. Also very useful is commentor uncomment region, present in newer versions of emacs. Cu 56 mx evilnccommentoruncommenttotheline, commentuncomment from current line to line 56.
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