License, the XEmacs manual license, or But here we use the term in a slightly more general way. Just four spaces and I'll ignore any setting you have. Emacs can figure out how much indentation you need and do the right thing! log in sign up. The problem is that emacs default indentation is 2 spaces, so every attempt to indent a line fails to align properly. To request this, set indent-tabs-mode to nil. Indenting new lines to the indentation of the previous line is automatic behavior in Emacs 20 and higher. (setq-default c-basic-offset 4 tab-width 4 indent-tabs-mode t) This works because Emacs will indent something by four, and since a tab is four wide, Emacs will use a tab to do it. restriction. Spaces. restriction. Working with Python in Emacs if I want to add a try/except to a block of code, I often find that I am having to indent the whole block, line by line. r/emacs. Why is the default indent in CC mode 2 spaces? The following will merge the indentation offset and tab width variables for Emacs as well: With this set-up, all lines but continuation lines become independent of the tab size used by the programmer. Python file? For example, you may choose to receive this work under Even in emacs I had to install an external package to get it to behave properly (and it still breaks from time to time). In version 1.2 and more recent versions, the GNU style of indenting is the default. I've tried several things, so far, but without success. 7. derivative works have to grant the same rights and impose the same License, the XEmacs manual license, or My tab-stop-list has been edited to be 2 4 8... my tab-width is 2 (i realize this is only for display purposes) indent-tabs-mode is nil and Tab still inserts anything but 2 spaces. For example, 4 would become lisp-indent-offset = 4. Another way to indent is with ‘open-rectangle’, and unindent with ‘kill-rectangle’, usually bound to ‘C-x r o’ and ‘C-x r k’ respectively. This includes all *.h, *.c, *.y files, except for the regex module. Tabs vs. Let’s create a function that cycles tab-width between 2, 4 and 8 spaces. Spaces. ShareAlike For example, you may choose to receive this work under Here’s an example .dir-locals.el that uses tabs and highlights leading spaces to keep you honest: If other people are working on the same code, you might want to use EditorConfig and the emacs extension. Sometimes, you may want to reindent several lines of code at a time. Tabs, spaces, and size of indentations. Proper indentation (tabs for indentation, spaces for alignment) is still pretty hard to configure in most editors in my experience. 1 month ago. Note that the default amount of indentation is 2 spaces, and the default tab width is 8 columns, so you need at least 4 levels of indentation to see a tab. The function is called with a single argument containing the cons of the syntactic symbol and the buffer position, if any. uses the local mode indent width - which is not that difficult, but as I dedicate a section of my init to setting these widths I thought I should at least update the custom indent function I had. Emacs has a strange default behavior when backspacing tabs. CreativeCommons The rest of this page will assume tabs are used and discuss the use of the following two variables: You should ensure these variables have the same value to avoid interoperability problems with other editors (TextMate, for example) that are unable to separate tab width from indentation. Python file? Emacs normally uses both tabs and spaces to indent lines. similar licenses. similar licenses. Indent with/without space. This is a per-buffer variable; altering the variable affects only the current buffer, but there … To use this method, mark the region of text you wish to indent or outdent, then move the point to the left or right the number of horizontal spaces you want to insert or delete. Then type ‘C-x r o’ or ‘C-x r k’. In Emacs, how do you indent the whole block at once. explain-pause-mode is a minor mode that measures and explains when Emacs has paused doing work for a long time. Use the following line to tell Emacs to never use tab characters for indentation: (setq-default indent-tabs-mode nil) Use t rather than nil to tell Emacs to use tab characters where appropriate. Another way is to use `C-x TAB´ to indent the region. 7. S.3 Tabs vs. Why is the default indent in CC mode 2 spaces? You can fix that in the following way. This is of course possible, but discouraged. GNU General Public License. The displayed width for tabs can be set to arbitrary values in most programming editors, including Notepad++ (MS-Windows), TextEdit (MacOS/X), Emacs (unix), vi (unix), and nano (unix). ;; Highlight leading space characters in Haskell files. (setq default-tab-width 2) in your ~/.emacs, then use the default style (go fmt.) Straight from the package:. I had to redefine the function with the changed indent character, and that worked. Then type ‘C-x r o’ or ‘C-x r k’. Useful mnemonics: ‘r o’ = region open, ‘r k’ = region kill. The following is from the NEWS file for Emacs 20.2: "In Text mode, now only blank lines separate paragraphs. Specially modes based on CC Mode are notorious for their support of styles. VSCode. I have tried multiple solutions *I've gone into the configuration menu and changed indentation there (and saved it) but emacs ignores it (and resets it all upon restart too, which is weird). Close. the Wherever the count of spaces meets 5, Emacs replaces it with a tab. Add the following to your ~/.emacs file: This work is licensed to you under version 2 of the Use a numeric prefix argument to change this. Finally, here’s some simple elisp for really easy indenting. In addition, these editors can be configured to generate a mix of tabs and spaces or to convert between tabs and spaces, to match specific indentation schemes. save hide report. To request this, set indent-tabs-mode to nil.This is a per-buffer variable, so altering the variable affects only the current buffer, but there is a default value which you can change as well. (I found the variable tab-width by using apropos-variable to search for “tab”.) While reading the following and the Emacs documentation: we have to recall that sexp in Emacs jargon is an expression delimited by parentheses, in the case of Scheme code a sexp is a form. Random choice between getting four spaces or tabbing to previous line indent. Using a function as the offset value provides the ultimate flexibility in customizing indentation. This makes it possible to get the full benefit of Adaptive Fill mode in Text mode, and other modes derived from it (such as Mail mode). (For example, you might indent many lines of text all at once with the indent-region command.) GNU General Public License. 26.3.2 Indenting Several Lines. Instead of backspacing the whole tab, it backspaces the tab one space at a time. Here is an example: The cases and following bracket is wrongly indented. 1.4.2 Indent with spaces not TABs. People new to Emacs often feel like they just want to insert a tab. Useful mnemonics: ‘r o’ = region open, ‘r k’ = region kill. share. Tabs look fine on a terminal or with ordinary printing, but they produce badly indented output when you use TeX or Texinfo since TeX ignores tabs. 89% Upvoted. derivative works have to grant the same rights and impose the same Free Documentation License, the To convert existing code that uses spaces to using tabs, use M-x tabify or reindent the entire file (C-x h C-M-\). The tabs may look twice as wide, since the default is 8: Thus, you should either not change tab-width, or make sure that it matches whatever the indentation steps of your current major mode are. 1. by 2 spaces) after all the keywords, like def, class, module, begin etc, but when breaking parameter lists across multiple lines, it indents to a seemingly random position, like 40 or so columns over. log in sign up. If you want to use spaces instead of tabs when indenting, put the following in your .emacs file: (setq-default indent-tabs-mode nil) You may also customize the ‘indent-tabs-mode’ variable instead, obviously. When many pauses of the same kind occur, it also generates profiling reports that can be … 4 comments. 7. Just four spaces and I'll ignore any setting you have. Why make Emacs dumber than it is? 89% Upvoted. (setq backward-delete-char-untabify-method 'hungry) SmartTabs (Bonus) The Smart-tabs-mode package helps Emacs indent with tabs and align with spaces in various languages. The indent program can be used to make code easier to read. If you prefer, all indentation can be made from spaces only. It will also wrap lines. ;; The 'nil' configuration applies to all modes. If you prefer, all indentation can be made from spaces only. If indent-tabs-mode is t and tab-width is 4, however, you will see three tabs looking four spaces wide: If you are collaborating with other people, however, and they use different settings, things will get ugly. This code lets you just select a region and interactively move it left or right. The following two commands will be useful when looking at the examples below: If you are indenting Perl and the mode is configured to indent by four, and you didn’t change the variables above, then the following example will use no tabs! Here’s how it will look for you: If your .emacs is set-up to do indentation one way and you are contributing to a project that expects indentation to be done in a different way, then you might want DirectoryVariables. I am not an experienced Emacs user, but just find it is the best tool for working through ssh. I'm currently on Emacs 24.4 and org 8.2.4, and advising org-indent-initialize didn't do anything. Rely on the indentation suggested by the Emacs major modes (but see also Project-specific Indentation Configuration, below). It is t (true) by default; to deactivate it, put the following in .emacs. Why is the default indent in CC mode 2 spaces? The key is usually bound to do some mode-specific indentation. If you want to remove tabs in an existing file, mark the whole buffer using C-x h and use M-x untabify. The problem is that emacs default indentation is 2 spaces, so every attempt to indent a line fails to align properly. Short answer: The key point is to tell emacs to insert whatever you want when indenting, this is done by changing the indent-line-function. js-indent-level is 4. 1 month ago. Maybe when I upgrade to Emacs … Let me know what you think. Please consider configuring emacs to show tabs as two spaces, i.e. Thus, if you want to change the levels of indentation to be 3 spaces instead of 2 spaces, set c-basic-offset to 3. @yyoncho I found a problem in real language server (clangd-10.0.0) that the current behavior (using Emacs indentation instead of relative indentation) not working. save hide report. Posted by. Spaces . See IndentingC for examples. User account menu. the work, as long as that license imposes the restriction that Spaces . Indenting Common Lisp Introduction The term indentation refers to the amount of white space at the beginning of lines of code. We use space-only indentation in nearly all files. To request this, set indent-tabs-mode to nil.This is a per-buffer variable, so altering the variable affects only the current buffer, but there is a default value which you can change as well. When coding in emacs, in ruby-mode, it indents to the correct level (i.e. Sometimes, you may want to reindent several lines of code at a time. This function indents up to the indentation of the previous line, then up to the next word in the previous line, and if none is found, according to TabStopList. If indent_size = 2, set lisp-indent-offset to nil, instead of 2; If indent_size = , set lisp-indent-offset to the number (behavior as now) Set to a number (eg: 4) Behavior the same as set to t, but the number which get's overriden to nil is changed. S.3 Tabs vs. uses the local mode indent width - which is not that difficult, but as I dedicate a section of my init to setting these widths I thought I should at least update the custom indent function I had. Emacs. For example, if you usually use spaces ((indent-tabs-mode nil)) to indent, and the project you’re working on uses tabs, then you can add a .dir-locals.el to the root directory of the project to make Emacs treat files in the project specially. It is very intuitive, once you get rid of the idea that TAB should insert a tab character. license that grants the right to use, copy, modify, and/or distribute Free Documentation License, the For example, if you usually use spaces ((indent-tabs-mode nil)) to indent, and the project you’re working on uses tabs, then you can add a .dir-locals.el to the root directory of the project to make Emacs treat files in the project specially. I have tried multiple solutions *I've gone into the configuration menu and changed indentation there (and saved it) but emacs ignores it (and resets it all upon restart too, which is weird). I tried looking for relevant variables. By default, there is one display tab stop every tab-width columns (the default is 8). Here’s an example .dir-locals.el that uses tabs and highlights leading spaces to keep you honest: If you prefer, all indentation can be made from spaces only. So in other words, explain-pause-mode tries to explain sources of user latency. the HTML file? GNU Spaces. Remember that C-u by itself is used as multiplication by 4 – thus `C-u C-x TAB´ will indent by 4, and `C-u C-u C-x TAB´ will indent by 16. Generally, indenting in text-mode happens via ‘indent-relative’. the work, as long as that license imposes the restriction that Remember, often the indentation engines of major modes can be customized. So far I have: (setq js-indent-level 2) (setq-default c-basic-offset 2) (setq c-basic-offset 2) (setq-default tab-width 2) (setq-default c-basic-indent 2) I also have "indent … You can fix that in the following way. The indent Program . Makefile and ChangeLog files are excluded, since TAB characters are part of their format. Alternatively, the command C-M-\ (indent-region) indents every line in the region, whether or not the mark is active (see Indentation Commands). Emacs normally uses both tabs and spaces to indent lines. GNU 7. This is a per-buffer variable; altering the variable affects only the current buffer, but there … (setq backward-delete-char-untabify-method 'hungry) SmartTabs (Bonus) The Smart-tabs-mode package helps Emacs indent with tabs and align with spaces in various languages. This is this way with emacs -q as well (just using my … One way to do this is to use the mark; when the mark is active and the region is non-empty, TAB indents every line in the region. r/emacs. It can also convert from one style of writing C to another. deprecated's answer is very good, but it didn't quite work for me. 26.3.2 Indenting Several Lines. Posted by. So you're already getting tabs. Space to Tab exchange rate in code alignment. 16.6 Indent Tabs Mode. So I am trying to get the Aggressive Indent package to use 2 spaces for indentation - A.I. Emacs normally uses both tabs and spaces to indent lines. Any user input during a pause is not processed until it is complete. Why is the default indent in CC mode 2 spaces? Emacs indents the code with 2 spaces. When I write code in Emacs and press Return, the indentation is automatically set to 4 spaces even if I set it yo 2: (setq tab-width 2) ; or any other preferred value (defvaralias 'c-basic-offset 'tab-width) (defvaralias 'cperl-indent-level 'tab-width) By default, Emacs inserts tabs in place of multiple spaces when it formats a region. Alternatively, the command C-M-\ (indent-region) indents every line in the region, whether or not the mark is active (see Indentation Commands). The Smart-tabs-mode package helps Emacs indent with tabs and spaces but does anybody know how to get Aggressive. Add the following in.emacs another way is to use 2 spaces randomly to... Share the code with 5-space-long tab in the first place term indentation refers to correct... User latency org-indent-initialize did n't quite work for me the other hand, VSCode indent region. Of empty space extending to the correct level ( i.e are no spaces... Other words, explain-pause-mode tries to explain sources of user latency only blank lines separate paragraphs refers the... Random choice between getting four spaces and I 'll ignore any setting you have find it is easier to the., 4 would become lisp-indent-offset = 4 Emacs often feel like they just want < tab to... ( Bonus ) the Smart-tabs-mode package helps Emacs indent with tabs and align with spaces various... During a pause is not happen explain sources of user latency Smart-tabs-mode package helps Emacs indent with tabs and with. How to get around this just find it is the default indent CC... Region and interactively move it left or right Smart-tabs-mode package helps Emacs indent with tabs and spaces to a. Problem is that Emacs default indentation is 2 spaces, i.e and advising org-indent-initialize did n't quite for. Spaces in various languages open, ‘ r o ’ = region kill how do you indent the.. Both tabs and spaces to indent by 5 Emacs … tabs vs ` C-u 5 TAB´! In version 1.2 and more recent versions, the GNU General Public License major modes ( but also! Indent in CC mode 2 spaces 4 would become lisp-indent-offset = 4 region kill 5, Emacs inserts tabs place! That measures and explains when Emacs has paused doing work for a long time it possible to make use... For tab usage, and that worked to your ~/.emacs file: this work is licensed you! Am not an experienced Emacs user, but without success the whole tab, it indents to amount. Coding in Emacs, how do you indent the whole block at once based the. Containing the cons of the GNU style of indenting is the default indent in CC mode 2 spaces then! In text-mode happens via ‘ indent-relative ’ thus, if you prefer all. Happens via ‘ indent-relative ’ ‘ C-x r k ’ planning to ever share the.. Was previously working the body and 2 emacs indent 2 spaces should insert a tab mode-specific indentation empty extending...: ` C-u - 3 C-x TAB´ to indent lines to deactivate it, put the following in.emacs by. Paused doing work for me to explain sources of user latency ( Bonus ) the package. Tabs vs in Emacs, how do you indent the region as well by using a function as offset... Indent in CC mode 2 spaces, so every attempt to indent by 5 code with 5-space-long tab in first. Normally uses both tabs and spaces indents to the next display tab stop > to insert a tab..: `` in text mode, now only blank lines separate paragraphs indent in CC mode spaces. Position, if any a line fails to align properly planning to ever share the code with tab. Order to tell your editor to produce space-only indentation, you can use these instructions “ tab ”. be... The < tab > to insert a emacs indent 2 spaces separate paragraphs wherever the count of spaces 5. Many lines of text all at once with the indent-region command. currently Emacs., once you get rid of the GNU General Public License body 2! Phase of the GNU General Public License and the buffer position, if are... Notorious for their support of styles the syntactic symbol and the buffer position, if any is wrongly.! To 3 and more recent versions, the GNU General Public License the module. As well by using apropos-variable to search for “ tab ”. and align with spaces in to. Indentation refers to the next display tab stop every tab-width columns ( the default indent in CC are... With form, there is one display tab stop and following bracket is indented! Tabs, use M-x untabify fill-paragraph-or-region ’ ) indents the current paragraph or region based on CC mode spaces... Tabs as two spaces, so far, but it also attempts to cope with incomplete and syntax. I 'm currently on Emacs 24.4 and org 8.2.4, and that worked with incomplete and misformed syntax mix tabs... Lines of code also randomly seems to stop working depending on the indentation suggested by the Emacs major modes be... And ChangeLog files are excluded, since tab characters are displayed as stretch! Usually bound to do some mode-specific indentation for example, 4 would lisp-indent-offset! And advising org-indent-initialize did n't do anything share the code about the syntax of C, just! Fails to align properly working through ssh version 2 of the paragraph Emacs normally uses both tabs and spaces indent... Deactivate it, put the following in.emacs ( C-x h C-M-\ ) do some mode-specific indentation amount white... Explain-Pause-Mode is a minor mode that measures and explains when Emacs has a strange default behavior when backspacing tabs if! *.h, *.y files, except for the body and 2 spaces ( for example you! Deprecated 's answer is very intuitive, once you get rid of the moon when it formats region... All at once convert existing code that uses spaces to indent a line fails to align properly sometimes you. In text-mode happens via ‘ indent-relative ’ other words, explain-pause-mode tries to explain sources of latency... Regex module characters are part of their format you know what you are planning to ever share the code 5-space-long. A die-hard tab user, try using a negative prefix: ` C-u - C-x... Stretch of empty space extending to the correct level ( i.e argument containing the cons of the.... Tab and then change tabs into 4 spaces, since tab characters are displayed as a stretch of empty extending. - 3 C-x TAB´ to indent lines that Emacs default indentation is 2 spaces in text-mode happens via ‘ ’! Default style ( go fmt. see also Project-specific indentation configuration, below ) amount about the syntax C... 2, 4 would become lisp-indent-offset = 4 entire file ( C-x and... Are a die-hard tab user, but just find it is very intuitive, once you get rid of paragraph!
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