Merge branch 'tr/line-log'

* tr/line-log: git-log(1): remove --full-line-diff description line-log: fix documentation formatting log -L: improve comments in process_all_files() log -L: store the path instead of a diff_filespec log -L: test merge of parallel modify/rename t4211: pass -M to 'git log -M -L...' test log -L: fix overlapping input ranges log -L: check range set invariants when we look it up Speed up log -L... -M log -L: :pattern:file syntax to find by funcname Implement line-history search (git log -L) Export rewrite_parents() for 'log -L' Refactor parse_loc