Lugaru's Epsilon Programmer's Editor
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Epsilon User's Manual and Reference > Commands by Topic > Language Modes > C Mode > Other C mode FeaturesIn C mode, the Alt-<Down> and Alt-<Up> keys move to the next or previous #if/#else/#endif preprocessor line. When starting from such a line, Epsilon finds the next/previous matching one, skipping over inner nested preprocessor lines. Alt-] and Alt-[ do the same. Press Alt-i to display a list of the preprocessor conditionals that are in effect for the current line.When the cursor is on a brace, bracket, or parenthesis, Epsilon will try to locate its matching brace, bracket, or parenthesis, and highlight them both. If the current character has no match, Epsilon will not highlight it. Set the variable auto-show-c-delimiters to zero to disable this feature.
Press Alt-
Epsilon normally auto-fills text in block comments as you type,
breaking overly long lines. See the c-auto-fill-mode variable.
As with normal auto-fill mode (see Formatting Text), use Ctrl-X
F to set the right margin for filling. Set the c-fill-column
variable to change the default right margin in C mode buffers. Set
fill-c-comment-plain nonzero if you want block comments to use
only spaces instead of a You can manually refill the current paragraph in a block comment (or in a comment that follows a line of code) by pressing Alt-q. If you provide a numeric prefix argument to Alt-q, say by typing Alt-2 Alt-q, it will fill using the current column as the right margin. Epsilon's tagging facility isn't specific to C mode, so it's described elsewhere (see Tags). But it's one of Epsilon's most useful software development features, so we mention it here too. Whenever you use the find-file command to read in a file with one of the extensions .c, .h, .e, .y, .cpp, .cxx, .java, .inl, .hpp, .idl, .acf, .cs, .i, .ii, .m, .mi, .mm., .mmi, or .hxx, Epsilon automatically enters C mode. See Language Modes for information on adding new extensions to this list, or preventing Epsilon from automatically entering C mode. For file names without a suffix, Epsilon examines their contents and guesses whether the file is C++, Perl, some other known type, or unrecognizable.
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