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--- guides:programstyle:whitespace [2020/08/04 17:15] – wikiadmin
+++ guides:programstyle:whitespace [2024/07/25 15:01] (current) – external edit 127.0.0.1
@@ Line 26: / Line 26: @@
    * **vi**
      * In vi, add //set expandtab// to your .vi, .exrc, vimrc or other
+   * **nano**
+     * In nano, add //set tabstospaces// to your .nanorc file in your home directory.
+     * You can also set the size of the indentation with //set tabsize 4// (or whatever size you wish).
@@ Line 204: / Line 208: @@
 }
 </code>
+While either style is acceptable, programmers should select a single style and employ it constantly.
 ==== Place spaces between operators in statements. ====
-==== Do not exceed 80 characters for any line. ====
+Proper spacing in statements, especially mathematical calculations make it easier to read these statements.
+Unacceptable example:
+<code c++>
+for(i=0;i<20;i++) {
+    ...
+}
+x = r*cos(theta)*sin(phi);
+r1 = (-b+sqrt(4*a*c))/(2*a);
+</code>
+Acceptable example:
+<code c++>
+for(i = 0; i < 20; i++) {
+    ...
+}
+x = r * cos(theta) * sin(phi);
+r1 = (-b + sqrt(4*a*c)) / (2*a);
+</code>