Template:In5: Difference between revisions
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(rewrote as 10-space groups +other 1-10 spaces, cut expansion depth 3 to 1; added doc text for "Performance"; changed examples to 10, 14, 15, 25; +"Category:Wikipedia formatting and function templates") |
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<includeonly>{{{{{|safesubst:}}}#invoke:in5|in5|1={{{1|}}}}}</includeonly><noinclude> |
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<noinclude><!-- |
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-============================================================ |
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- Template:in5 - indent by 5 or specified count of spaces |
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-============================================================ |
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- (see NOTES below) |
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-- |
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-------------------------------------------------------- |
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-- put 10 spaces for each ten above 10, 20, 30, etc. |
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-- |
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--></noinclude>{{ |
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#ifexpr: {{{1|5}}} > 10 |
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| }}{{ |
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#ifexpr: {{{1|5}}} > 20 |
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| }}{{ |
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#ifexpr: {{{1|5}}} > 30 |
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| }}{{ |
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#ifexpr: {{{1|5}}} > 40 |
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| }}{{ |
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#switch: {{#expr:{{{1|5}}}-floor({{{1|5}}}/10)*10 }} |
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| 1 = |
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| 2 = |
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| 3 = |
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| 4 = |
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| 5 = |
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| 6 = |
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| 7 = |
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| 8 = |
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| 9 = |
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| 0 = |
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}}<noinclude><!-- |
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---------------------------------------- Error message if >50 |
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--></noinclude>{{#ifexpr:{{{1|5}}}>50 |
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|<br>'''[[Template:in5]]''' - count must be 1-50 spaces,<!-- |
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--> found: {{{1|0}}}.<br> |
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}}<noinclude><!--endif >50 --> |
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<br>The indenter '''Template:in5''' indents text by 5 spaces or |
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the count specified by<br>parameter 1 (range: 1 to 50 spaces). |
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<br><br> |
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:: Usage: {<font/>{in5}} {{in5}} <--indents by 5 spaces<br> |
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:: Usage: {<font/>{in5|8}} <--indents by 8 spaces<br> |
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:: Usage: {<font/>{in5|47}} <--indents by 47 |
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{{Documentation}} |
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Spaces outside the double braces will add an extra space on either |
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side,<br>such as the 12 spaces inserted by: " {<font/>{in5|10}} ". |
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NOTE: The name "in5" was chosen because other names were debated, such as<br> the name "in" being redefined as 6 different uses. |
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==Examples== |
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The following are examples showing larger amounts of spacing: |
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:: Example 1: <nowiki>xx{{in5|10}}yy{{in5|10}}</nowiki>zz, produces: xx{{in5|10}}yy{{in5|10}}zz |
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:: Example 2: <nowiki>xx{{in5|10}}yy{{in5|15}}</nowiki>zz, produces: xx{{in5|10}}yy{{in5|15}}zz |
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:: Example 3: <nowiki>aa{{in5|20}}bb{{in5|20}}</nowiki>cc, produces: aa{{in5|20}}bb{{in5|20}}cc |
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:: Example 4: <nowiki>"32.0{{in5|7}}"</nowiki> produces: "32.0{{in5|7}}" |
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The example 4 shows the ability to put trailing spaces, such as spaces after a number in a wikitable column (coded as: | 32.0{<font/>{in5}} ). Typical numbers (with "align=right"), in a table column, often appear crowded at the right-hand side, so appending "{<font/>{in5}}" can improve readability, in tables with lines between columns. |
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==Universal template== |
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This Template:in5 is intended as a universal template, with the same name on all Wikipedia sites. The name "in5" with the digit "5" is unlikely to conflict with other-language Wikipedias. Care must be taken not to name a universal template with a name that would be an awkward or peculiar word in the other languages. However, in some cases, a universal template might need a different name in a few conflicting languages. |
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==Comparison with Template:spaces== |
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There are other templates that insert spaces, although none had allowed 50 spaces. For example, the [[Template:spaces]] has had a limit of about 15 spaces (during 2009-2010): |
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{| class=wikitable style="margin-left:40px" |
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| valign=top | Example of <nowiki>{{spaces|10}}</nowiki><br>and...<br>with <nowiki>{{spaces|14}}</nowiki><br>with <nowiki>{{spaces|15}}</nowiki><br>with <nowiki>{{spaces|25}}</nowiki> || <nowiki>xx{{spaces|10}}</nowiki>yy, produces:<br>xx{{spaces|10}}yy<br>xx{{spaces|14}}yy<br>xx{{spaces|15}}yy<br>xx{{spaces|25}}yy |
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|- |
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| valign=top | Example of <nowiki>{{in5|10}}</nowiki><br>and...<br>with <nowiki>{{in5|14}}</nowiki><br>with <nowiki>{{in5|15}}</nowiki><br>with <nowiki>{{in5|25}}</nowiki><br>with <nowiki>{{in5|45}}</nowiki> || <nowiki>xx{{in5|10}}</nowiki>yy, produces:<br>xx{{in5|10}}yy<br>xx{{in5|14}}yy<br>xx{{in5|15}}yy<br>xx{{in5|25}}yy<br>xx{{in5|45}}yy |
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|} |
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Again, using {<font/>{in5}} reliably allows up to 50 spaces at a time. |
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==Performance== |
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Template {in5} generates a mix of &nbsp; and spaces to avoid the space compression done by the [[MediaWiki]] parser. Each   is stored inside the formatted page (such as seen by the browser option: <View><Source>). The output is optimized to be the shortest possible markup language for spaces, in a variety of different browsers. |
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Typically, {in5} runs much faster than [[Template:spaces]], generating 1/3 the markup per use (as 72% less text, over 50 fewer characters each time). Also, {in5} allows 50 spaces, whereas {spaces} has been limited to 15 spaces during 2009-2010. |
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==See also== |
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* [[Template:indent]] - forces newline break before indenting |
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<!-- |
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-------------------------------------------------------------- |
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--NOTES: |
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-- |
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-- NOTE A1: This template inserts 5 or the specified count |
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-- of spaces. Currently, the count can be 1 to 50. |
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-- A recursive implementation could call {{in5}} again, |
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-- to handle each 10 spaces, as: {{in5|{{{1}}}-10}}; |
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-- however, that could become dangerous if the template |
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-- were edited by novices unaware of recursion dangers. |
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-- |
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-- NOTE E2: To improve efficiency, the logic was rewritten to |
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-- output groups of 10 spaces, followed by 1-10 for the |
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-- remaining spaces of n - floor(n/10)*10. There were |
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-- several improvements (18Dec2010): |
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-- * The expansion nesting was reduced from 4 levels to 2. |
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-- * The if-logic was reduced to 6 steps: 1 switch, not 5. |
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-- * The template size was reduced by 60% less coding. |
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-- |
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-- NOTE N3: The nesting level of this template is only 2 levels |
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-- deep of the MediaWiki "expansion depth limit" (was 40 |
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-- levels as the expansion limit during 2008-2010). |
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-- |
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-------------------------------------------------------------- |
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--HISTORY: |
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-- 14Mar09 Created as numbered-space indentation tool. |
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-- 02May09 For stand-alone display used includeonly-tag. |
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-- 02May09 Set for "Category:Formatting templates". |
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-- 24Sep09 Re-created as renamed to "in5" after TfD debate. |
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-- 25Sep09 Fixed/removed 2 sets of "{{" 20min after update. |
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-- 31Oct09 Put "Comparison" showing limit as {{spaces|15}}. |
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-- 18Dec10 Rewrote as 4 groups of 10 spaces & switch 1-10. |
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-- 18Dec10 Rewrote as +1 level of "expansion limit" (was +3). |
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-- 18Dec10 Added "Performance" description to doc text. |
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--> |
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<!--[[Category:Smart formatting templates|In5]]--> |
<!--[[Category:Smart formatting templates|In5]]--> |
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[[Category:Wikipedia formatting and function templates|In5]] |
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[[vi:Bản mẫu:In5]] |
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</noinclude> |
</noinclude> |
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