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merge: minimize conflicts when common base is not shown (issue4447)...
merge: minimize conflicts when common base is not shown (issue4447) Previously, two changes that were nearly, but not quite, identical would result in large merge conflict regions that looked very similar, and were thus very confusing to users, and lead people used to other source control systems to claim that "mercurial's merge algorithms suck". In the relatively common case of a new file being introduced in two branches with very slight modifications, the old behavior would show the entire file as a conflict, and it would be very difficult for a user to determine what was going on. In the past, mercurial attempted to solve this with a "very smart" algorithm that would find all common lines, but this has significant problems as described in 2ea6d906cf9b. Instead, we use a "very dumb" algorithm introduced in the previous patch that simply matches lines at the periphery of conflict regions. This minimizes most conflict regions well, though there may still be some degenerate edge cases, like small modification to the beginning and end of a large file.

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changelogentry.tmpl
40 lines | 1.3 KiB | application/x-cheetah | CheetahLexer
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 <item>
Aaron Jensen
hgweb: adding branch names from inbranch template to rss feed
r21118 <title>{inbranch%"{if(name, '[{name|escape}] ')}"}{branches%"{if(name, '[{name|escape}] ')}"}{desc|strip|firstline|strip|escape}</title>
Thomas Arendsen Hein
hgweb: urlescape all urls, HTML escape repo/tag/branch/... names...
r18526 <guid isPermaLink="true">{urlbase}{url|urlescape}rev/{node|short}</guid>
Aaron Jensen
hgweb: adding article link to rss feed
r21119 <link>{urlbase}{url|urlescape}rev/{node|short}</link>
Aaron Jensen
hgweb: adding branch, tags, bookmarks, user, and file list to rss feed entries
r21057 <description>
Aaron Jensen
hgweb: adding branch names from inbranch template to rss feed
r21118 <![CDATA[
Aaron Jensen
hgweb: adding branch, tags, bookmarks, user, and file list to rss feed entries
r21057 <table>
<tr>
<th style="text-align:left;">changeset</th>
<td>{node|short}</td>
Aaron Jensen
hgweb: adding branch names from inbranch template to rss feed
r21118 </tr>
<tr>
<th style="text-align:left;">branch</th>
<td>{inbranch%"{name|escape}"}{branches%"{name|escape}"}</td>
</tr>
<tr>
<th style="text-align:left;">bookmark</th>
Aaron Jensen
hgweb: adding branch, tags, bookmarks, user, and file list to rss feed entries
r21057 <td>{bookmarks%"{name|escape}"}</td>
</tr>
<tr>
<th style="text-align:left;">tag</th>
<td>{tags%"{name|escape}"}</td>
</tr>
<tr>
<th style="text-align:left;vertical-align:top;">user</th>
<td>{author|obfuscate}</td>
</tr>
<tr>
<th style="text-align:left;vertical-align:top;">description</th>
Steven Brown
hgweb: apply websub filter to the changeset description in rss and atom feeds...
r21486 <td>{desc|strip|escape|websub|addbreaks|nonempty}</td>
Aaron Jensen
hgweb: adding branch, tags, bookmarks, user, and file list to rss feed entries
r21057 </tr>
<tr>
<th style="text-align:left;vertical-align:top;">files</th>
<td>{files}</td>
</tr>
</table>
]]></description>
Dan Villiom Podlaski Christiansen
setup: install translation files as package data...
r9999 <author>{author|obfuscate}</author>
<pubDate>{date|rfc822date}</pubDate>
</item>