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Sometimes you might want to know which part of the files each change
falls in. If the files are source code, this could mean which function
was changed. If the files are documents, it could mean which chapter or
appendix was changed. GNU
diff can show this by displaying the
nearest section heading line that precedes the differing lines. Which
lines are "section headings" is determined by a regular expression.
22.214.171.124 Showing Lines That Match Regular Expressions Showing headings that match regular expressions. 126.96.36.199 Showing C Function Headings Showing headings of C functions.
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